diff --git a/src/Interpreters/convertFieldToType.cpp b/src/Interpreters/convertFieldToType.cpp
index 99f01a6f120..ef70307ccf1 100644
--- a/src/Interpreters/convertFieldToType.cpp
+++ b/src/Interpreters/convertFieldToType.cpp
@@ -585,7 +585,7 @@ Field convertFieldToTypeImpl(const Field & src, const IDataType & type, const ID
             throw;
         }
 
-        if (!col->size())
+        if (col->empty())
             return Field(Null());
         Field parsed = (*col)[0];
         return convertFieldToType(parsed, type, from_type_hint, format_settings);