diff --git a/libsolidity/codegen/YulUtilFunctions.cpp b/libsolidity/codegen/YulUtilFunctions.cpp
index f1b05a339..d74eca06c 100644
--- a/libsolidity/codegen/YulUtilFunctions.cpp
+++ b/libsolidity/codegen/YulUtilFunctions.cpp
@@ -2511,7 +2511,7 @@ string YulUtilFunctions::revertReasonIfDebugAssembly(RevertStrings _revertString
 			revert(0, 0)
 		</debugAndMessage>
 	})");
-	bool debugAndMessage = _revertStrings >= RevertStrings::Debug && !_message.empty();
+	bool debugAndMessage = (_revertStrings >= RevertStrings::Debug && !_message.empty());
 	templ("debugAndMessage", debugAndMessage);
 	if (debugAndMessage)
 	{