diff --git a/contrib/babelfishpg_tds/src/backend/tds/tdsresponse.c b/contrib/babelfishpg_tds/src/backend/tds/tdsresponse.c
index 7de75e43be..889fb199f1 100644
--- a/contrib/babelfishpg_tds/src/backend/tds/tdsresponse.c
+++ b/contrib/babelfishpg_tds/src/backend/tds/tdsresponse.c
@@ -705,7 +705,7 @@ resolve_numeric_typmod_from_exp(Plan *plan, Node *expr)
 				outerplan = outerPlan(plan);
 
 				/* If this var referes to tuple returned by its outer plan then find the original tle from it */
-				if (plan != NULL && var->varno == OUTER_VAR)
+				if (plan && outerplan && !(IsA(plan, Result)) && var->varno == OUTER_VAR)
 				{
 					Assert(plan);
 					Assert(outerplan);