diff --git a/dbms/src/Functions/FunctionsConversion.h b/dbms/src/Functions/FunctionsConversion.h
index e461a4542f8..0e0bf218db3 100644
--- a/dbms/src/Functions/FunctionsConversion.h
+++ b/dbms/src/Functions/FunctionsConversion.h
@@ -1157,7 +1157,7 @@ struct ToIntMonotonicity
         }
 
         /// If type is same, too. (Enum has separate case, because it is different data type)
-        if (checkAndGetDataType<DataTypeNumberBase<T>>(&type) ||
+        if (checkAndGetDataType<DataTypeNumber<T>>(&type) ||
             checkAndGetDataType<DataTypeEnum<T>>(&type))
             return { true, true, true };