diff --git a/jerry-core/parser/js/js-parser-expr.c b/jerry-core/parser/js/js-parser-expr.c
index e3025914e..c0d77ab91 100644
--- a/jerry-core/parser/js/js-parser-expr.c
+++ b/jerry-core/parser/js/js-parser-expr.c
@@ -98,8 +98,9 @@ parser_push_result (parser_context_t *context_p) /**< context */
 static void
 parser_check_invalid_assign (parser_context_t *context_p) /**< context */
 {
-  if (context_p->last_cbc.literal_type == LEXER_IDENT_LITERAL
-      && JERRY_UNLIKELY (context_p->status_flags & PARSER_IS_STRICT))
+  JERRY_ASSERT (context_p->last_cbc.literal_type == LEXER_IDENT_LITERAL);
+
+  if (JERRY_UNLIKELY (context_p->status_flags & PARSER_IS_STRICT))
   {
     if (context_p->last_cbc.literal_keyword_type == LEXER_KEYW_EVAL)
     {
@@ -281,6 +282,11 @@ parser_parse_array_literal (parser_context_t *context_p) /**< context */
 
       parser_parse_expression (context_p, PARSE_EXPR_NO_COMMA);
 
+      if (context_p->last_cbc_opcode == CBC_PUSH_THIS)
+      {
+        parser_flush_cbc (context_p);
+      }
+
       if (context_p->token.type == LEXER_COMMA)
       {
         lexer_next_token (context_p);
@@ -2212,19 +2218,10 @@ parser_append_binary_single_assignment_token (parser_context_t *context_p, /**<
   }
   else if (context_p->last_cbc_opcode == CBC_PUSH_THIS_LITERAL)
   {
-    if (context_p->last_cbc.literal_type != LEXER_IDENT_LITERAL)
-    {
-      parser_emit_cbc_ext (context_p, CBC_EXT_THROW_REFERENCE_ERROR);
-      parser_stack_push_uint8 (context_p, CBC_ASSIGN);
-    }
-    else
-    {
-      parser_check_invalid_assign (context_p);
-      context_p->last_cbc_opcode = CBC_PUSH_THIS;
-      parser_flush_cbc (context_p);
-      parser_stack_push_uint16 (context_p, context_p->last_cbc.literal_index);
-      parser_stack_push_uint8 (context_p, assign_ident_opcode);
-    }
+    context_p->last_cbc_opcode = CBC_PUSH_THIS;
+    parser_flush_cbc (context_p);
+    parser_stack_push_uint16 (context_p, context_p->last_cbc.literal_index);
+    parser_stack_push_uint8 (context_p, assign_ident_opcode);
   }
   else if (context_p->last_cbc_opcode == CBC_PUSH_PROP)
   {
@@ -2313,18 +2310,9 @@ parser_append_binary_token (parser_context_t *context_p) /**< context */
     }
     else if (context_p->last_cbc_opcode == CBC_PUSH_THIS_LITERAL)
     {
-      if (context_p->last_cbc.literal_type != LEXER_IDENT_LITERAL)
-      {
-        parser_emit_cbc_ext (context_p, CBC_EXT_THROW_REFERENCE_ERROR);
-        parser_emit_cbc (context_p, CBC_PUSH_PROP_REFERENCE);
-      }
-      else
-      {
-        parser_check_invalid_assign (context_p);
-        context_p->last_cbc_opcode = CBC_PUSH_THIS;
-        parser_flush_cbc (context_p);
-        context_p->last_cbc_opcode = CBC_PUSH_IDENT_REFERENCE;
-      }
+      context_p->last_cbc_opcode = CBC_PUSH_THIS;
+      parser_flush_cbc (context_p);
+      context_p->last_cbc_opcode = CBC_PUSH_IDENT_REFERENCE;
     }
     else
     {
diff --git a/tests/jerry/regression-test-issue-3650.js b/tests/jerry/regression-test-issue-3650.js
new file mode 100644
index 000000000..d191b7352
--- /dev/null
+++ b/tests/jerry/regression-test-issue-3650.js
@@ -0,0 +1,17 @@
+// Copyright JS Foundation and other contributors, http://js.foundation
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+var u = 5;
+assert ([this, u = u - 1].length === 2);
+assert (u === 4);