diff --git a/great_expectations/expectations/metrics/util.py b/great_expectations/expectations/metrics/util.py
index 65c0404ee3b0..cbc2f18cb974 100644
--- a/great_expectations/expectations/metrics/util.py
+++ b/great_expectations/expectations/metrics/util.py
@@ -429,7 +429,7 @@ def get_sqlalchemy_column_metadata(  # noqa: C901
                     for column in columns_copy
                 ]
             else:
-                return columns_copyg
+                return columns_copy
         return columns
     except AttributeError as e:
         logger.debug(f"Error while introspecting columns: {e!r}", exc_info=e)