diff --git a/src/Analyzer/QueryTreePassManager.cpp b/src/Analyzer/QueryTreePassManager.cpp
index f4941dca080..ecd3a748da3 100644
--- a/src/Analyzer/QueryTreePassManager.cpp
+++ b/src/Analyzer/QueryTreePassManager.cpp
@@ -76,7 +76,8 @@ class ValidationChecker : public InDepthQueryTreeVisitor<ValidationChecker>
         for (size_t i = 0; i < expected_arg_types.size(); ++i)
         {
             // Skip lambdas
-            if(WhichDataType(expected_arg_types[i]).isFunction())
+            WhichDataType which_type(expected_arg_types[i]);
+            if(which_type.isFunction())
                 continue;
             if (!expected_arg_types[i]->equals(*actual_arg_columns[i].type))
                 throw Exception(ErrorCodes::LOGICAL_ERROR,