diff --git a/ets2panda/parser/ETSparser.cpp b/ets2panda/parser/ETSparser.cpp
index 2c4d983e4d000564add4ded315c7f5ba411753a3..61e9619aa5e29b6347149e20f3c6faf4d517cbe2 100644
--- a/ets2panda/parser/ETSparser.cpp
+++ b/ets2panda/parser/ETSparser.cpp
@@ -1763,6 +1763,7 @@ ir::Expression *ETSParser::ParseFunctionParameter()
         case lexer::TokenType::KEYW_PROTECTED:
             LogError(diagnostic::FIELD_IN_PARAM);
             Lexer()->NextToken();
+            [[fallthrough]];
         default:
             break;
     }