diff --git a/jerry-core/parser/js/byte-code.c b/jerry-core/parser/js/byte-code.c
index 386415d44..9ee17b7ad 100644
--- a/jerry-core/parser/js/byte-code.c
+++ b/jerry-core/parser/js/byte-code.c
@@ -15,6 +15,12 @@
 
 #include "js-parser-internal.h"
 
+JERRY_STATIC_ASSERT ((sizeof (cbc_uint8_arguments_t) % sizeof (jmem_cpointer_t)) == 0,
+                     sizeof_cbc_uint8_arguments_t_must_be_divisible_by_sizeof_jmem_cpointer_t);
+
+JERRY_STATIC_ASSERT ((sizeof (cbc_uint16_arguments_t) % sizeof (jmem_cpointer_t)) == 0,
+                     sizeof_cbc_uint16_arguments_t_must_be_divisible_by_sizeof_jmem_cpointer_t);
+
 #if JERRY_JS_PARSER
 
 /** \addtogroup parser Parser
diff --git a/jerry-core/parser/js/byte-code.h b/jerry-core/parser/js/byte-code.h
index 3494ae641..0eb3522cf 100644
--- a/jerry-core/parser/js/byte-code.h
+++ b/jerry-core/parser/js/byte-code.h
@@ -637,6 +637,9 @@ typedef struct
   uint16_t ident_end;               /**< end position of the identifier group */
   uint16_t const_literal_end;       /**< end position of the const literal group */
   uint16_t literal_end;             /**< end position of the literal group */
+#ifdef JERRY_CPOINTER_32_BIT
+  uint16_t padding;                 /**< an unused value */
+#endif
 } cbc_uint16_arguments_t;
 
 /**