diff --git a/es2panda/parser/expressionParser.cpp b/es2panda/parser/expressionParser.cpp
index 34bb768e9109427fc6fb839cb68b806ecf515744..5f33b377dcd64e58ad1c0d5314aec70dd8f0e901 100644
--- a/es2panda/parser/expressionParser.cpp
+++ b/es2panda/parser/expressionParser.cpp
@@ -1016,6 +1016,9 @@ ir::Expression *ParserImpl::ParsePrimaryExpression(ExpressionParseFlags flags)
         case lexer::TokenType::PUNCTUATOR_DIVIDE:
         case lexer::TokenType::PUNCTUATOR_DIVIDE_EQUAL: {
             lexer_->ResetTokenEnd();
+            if (lexer_->GetToken().Type() == lexer::TokenType::PUNCTUATOR_DIVIDE_EQUAL) {
+                lexer_->BackwardToken(lexer::TokenType::PUNCTUATOR_DIVIDE, 1);
+            }
             auto regexp = lexer_->ScanRegExp();
 
             lexer::RegExpParser reParser(regexp, Allocator());