diff --git a/src/libecmabuiltins/ecma-builtin-global-object.c b/src/libecmabuiltins/ecma-builtin-global-object.c
index 6ed7a975b..8ffe43df4 100644
--- a/src/libecmabuiltins/ecma-builtin-global-object.c
+++ b/src/libecmabuiltins/ecma-builtin-global-object.c
@@ -285,6 +285,7 @@ ecma_builtin_global_get_routine_parameters_number (ecma_magic_string_id_t builti
 ecma_completion_value_t
 ecma_builtin_global_dispatch_routine (ecma_magic_string_id_t builtin_routine_id, /**< Global object's
                                                                                       built-in routine's name */
+                                      ecma_value_t this_arg_value __unused, /**< 'this' argument value */
                                       ecma_value_t arguments_list [], /**< list of arguments passed to routine */
                                       ecma_length_t arguments_number) /**< length of arguments' list */
 {
diff --git a/src/libecmabuiltins/ecma-builtin-math-object.c b/src/libecmabuiltins/ecma-builtin-math-object.c
index ba1a8d40f..d4cc35a27 100644
--- a/src/libecmabuiltins/ecma-builtin-math-object.c
+++ b/src/libecmabuiltins/ecma-builtin-math-object.c
@@ -1310,6 +1310,7 @@ ecma_builtin_math_try_to_instantiate_property (ecma_object_t *obj_p, /**< object
 ecma_completion_value_t
 ecma_builtin_math_dispatch_routine (ecma_magic_string_id_t builtin_routine_id, /**< Object object's
                                                                                     built-in routine's name */
+                                    ecma_value_t this_arg_value __unused, /**< 'this' argument value */
                                     ecma_value_t arguments_list [], /**< list of arguments passed to routine */
                                     ecma_length_t arguments_number) /**< length of arguments' list */
 {
diff --git a/src/libecmabuiltins/ecma-builtin-object-object.c b/src/libecmabuiltins/ecma-builtin-object-object.c
index b9f20a4f2..3ee95f372 100644
--- a/src/libecmabuiltins/ecma-builtin-object-object.c
+++ b/src/libecmabuiltins/ecma-builtin-object-object.c
@@ -414,6 +414,7 @@ ecma_builtin_object_object_define_property (ecma_value_t arg1, /**< routine's fi
 ecma_completion_value_t
 ecma_builtin_object_dispatch_routine (ecma_magic_string_id_t builtin_routine_id, /**< Object object's
                                                                                       built-in routine's name */
+                                      ecma_value_t this_arg_value __unused, /**< 'this' argument value */
                                       ecma_value_t arguments_list [], /**< list of arguments passed to routine */
                                       ecma_length_t arguments_number) /**< length of arguments' list */
 {
diff --git a/src/libecmabuiltins/ecma-builtin-string-object.c b/src/libecmabuiltins/ecma-builtin-string-object.c
index ff20fa186..480aa3f33 100644
--- a/src/libecmabuiltins/ecma-builtin-string-object.c
+++ b/src/libecmabuiltins/ecma-builtin-string-object.c
@@ -270,6 +270,7 @@ ecma_builtin_string_try_to_instantiate_property (ecma_object_t *obj_p, /**< obje
 ecma_completion_value_t
 ecma_builtin_string_dispatch_routine (ecma_magic_string_id_t builtin_routine_id, /**< String object's
                                                                                       built-in routine's name */
+                                      ecma_value_t this_arg_value __unused, /**< 'this' argument value */
                                       ecma_value_t arguments_list [], /**< list of arguments passed to routine */
                                       ecma_length_t arguments_number) /**< length of arguments' list */
 {
diff --git a/src/libecmabuiltins/ecma-builtins-internal.h b/src/libecmabuiltins/ecma-builtins-internal.h
index 905a602a3..c63e7c5c0 100644
--- a/src/libecmabuiltins/ecma-builtins-internal.h
+++ b/src/libecmabuiltins/ecma-builtins-internal.h
@@ -55,6 +55,7 @@ extern ecma_length_t
 ecma_builtin_global_get_routine_parameters_number (ecma_magic_string_id_t routine_id);
 extern ecma_completion_value_t
 ecma_builtin_global_dispatch_routine (ecma_magic_string_id_t builtin_routine_id,
+                                      ecma_value_t this_arg_value,
                                       ecma_value_t arguments_list [],
                                       ecma_length_t arguments_number);
 extern ecma_property_t*
@@ -68,6 +69,7 @@ extern ecma_length_t
 ecma_builtin_object_get_routine_parameters_number (ecma_magic_string_id_t routine_id);
 extern ecma_completion_value_t
 ecma_builtin_object_dispatch_routine (ecma_magic_string_id_t builtin_routine_id,
+                                      ecma_value_t this_arg_value,
                                       ecma_value_t arguments_list [],
                                       ecma_length_t arguments_number);
 extern ecma_property_t*
@@ -94,6 +96,7 @@ extern ecma_length_t
 ecma_builtin_math_get_routine_parameters_number (ecma_magic_string_id_t routine_id);
 extern ecma_completion_value_t
 ecma_builtin_math_dispatch_routine (ecma_magic_string_id_t builtin_routine_id,
+                                    ecma_value_t this_arg_value,
                                     ecma_value_t arguments_list [],
                                     ecma_length_t arguments_number);
 extern ecma_property_t*
@@ -105,6 +108,7 @@ extern ecma_length_t
 ecma_builtin_string_get_routine_parameters_number (ecma_magic_string_id_t routine_id);
 extern ecma_completion_value_t
 ecma_builtin_string_dispatch_routine (ecma_magic_string_id_t builtin_routine_id,
+                                      ecma_value_t this_arg_value,
                                       ecma_value_t arguments_list [],
                                       ecma_length_t arguments_number);
 extern ecma_property_t*
diff --git a/src/libecmabuiltins/ecma-builtins.c b/src/libecmabuiltins/ecma-builtins.c
index d14fa3e89..5e43ce04c 100644
--- a/src/libecmabuiltins/ecma-builtins.c
+++ b/src/libecmabuiltins/ecma-builtins.c
@@ -37,6 +37,7 @@ ecma_builtin_get_routine_parameters_number (ecma_builtin_id_t builtin_id,
 static ecma_completion_value_t
 ecma_builtin_dispatch_routine (ecma_builtin_id_t builtin_object_id,
                                ecma_magic_string_id_t builtin_routine_id,
+                               ecma_value_t this_arg_value,
                                ecma_value_t arguments_list [],
                                ecma_length_t arguments_number);
 
@@ -307,6 +308,7 @@ ecma_builtin_make_function_object_for_routine (ecma_builtin_id_t builtin_id, /**
  */
 ecma_completion_value_t
 ecma_builtin_dispatch_call (ecma_object_t *obj_p, /**< built-in object */
+                            ecma_value_t this_arg_value, /**< 'this' argument value */
                             ecma_value_t *arguments_list_p, /**< arguments list */
                             ecma_length_t arguments_list_len) /**< length of the arguments list */
 {
@@ -334,6 +336,7 @@ ecma_builtin_dispatch_call (ecma_object_t *obj_p, /**< built-in object */
 
     return ecma_builtin_dispatch_routine (built_in_id,
                                           routine_id,
+                                          this_arg_value,
                                           arguments_list_p,
                                           arguments_list_len);
   }
@@ -550,6 +553,7 @@ static ecma_completion_value_t
 ecma_builtin_dispatch_routine (ecma_builtin_id_t builtin_object_id, /**< built-in object' identifier */
                                ecma_magic_string_id_t builtin_routine_id, /**< name of the built-in object's
                                                                                routine property */
+                               ecma_value_t this_arg_value, /**< 'this' argument value */
                                ecma_value_t arguments_list [], /**< list of arguments passed to routine */
                                ecma_length_t arguments_number) /**< length of arguments' list */
 {
@@ -558,24 +562,28 @@ ecma_builtin_dispatch_routine (ecma_builtin_id_t builtin_object_id, /**< built-i
     case ECMA_BUILTIN_ID_GLOBAL:
     {
       return ecma_builtin_global_dispatch_routine (builtin_routine_id,
+                                                   this_arg_value,
                                                    arguments_list,
                                                    arguments_number);
     }
     case ECMA_BUILTIN_ID_OBJECT:
     {
       return ecma_builtin_object_dispatch_routine (builtin_routine_id,
+                                                   this_arg_value,
                                                    arguments_list,
                                                    arguments_number);
     }
     case ECMA_BUILTIN_ID_STRING:
     {
       return ecma_builtin_string_dispatch_routine (builtin_routine_id,
+                                                   this_arg_value,
                                                    arguments_list,
                                                    arguments_number);
     }
     case ECMA_BUILTIN_ID_MATH:
     {
       return ecma_builtin_math_dispatch_routine (builtin_routine_id,
+                                                 this_arg_value,
                                                  arguments_list,
                                                  arguments_number);
     }
@@ -603,6 +611,7 @@ ecma_builtin_dispatch_routine (ecma_builtin_id_t builtin_object_id, /**< built-i
     case ECMA_BUILTIN_ID_JSON:
     {
       JERRY_UNIMPLEMENTED_REF_UNUSED_VARS (builtin_routine_id,
+                                           this_arg_value,
                                            arguments_list,
                                            arguments_number);
     }
diff --git a/src/libecmabuiltins/ecma-builtins.h b/src/libecmabuiltins/ecma-builtins.h
index 9eb015757..a1f0451c6 100644
--- a/src/libecmabuiltins/ecma-builtins.h
+++ b/src/libecmabuiltins/ecma-builtins.h
@@ -58,6 +58,7 @@ extern void ecma_finalize_builtins (void);
 
 extern ecma_completion_value_t
 ecma_builtin_dispatch_call (ecma_object_t *obj_p,
+                            ecma_value_t this_arg,
                             ecma_value_t *arguments_list_p,
                             ecma_length_t arguments_list_len);
 extern ecma_completion_value_t
diff --git a/src/libecmaoperations/ecma-function-object.c b/src/libecmaoperations/ecma-function-object.c
index f5e2d996a..1186f5b8d 100644
--- a/src/libecmaoperations/ecma-function-object.c
+++ b/src/libecmaoperations/ecma-function-object.c
@@ -477,7 +477,7 @@ ecma_op_function_call (ecma_object_t *func_obj_p, /**< Function object */
   {
     if (unlikely (ecma_get_object_is_builtin (func_obj_p)))
     {
-      return ecma_builtin_dispatch_call (func_obj_p, arguments_list_p, arguments_list_len);
+      return ecma_builtin_dispatch_call (func_obj_p, this_arg_value, arguments_list_p, arguments_list_len);
     }
 
     ecma_completion_value_t ret_value;
@@ -550,7 +550,7 @@ ecma_op_function_call (ecma_object_t *func_obj_p, /**< Function object */
   }
   else if (ecma_get_object_type (func_obj_p) == ECMA_OBJECT_TYPE_BUILT_IN_FUNCTION)
   {
-    return ecma_builtin_dispatch_call (func_obj_p, arguments_list_p, arguments_list_len);
+    return ecma_builtin_dispatch_call (func_obj_p, this_arg_value, arguments_list_p, arguments_list_len);
   }
   else
   {