diff --git a/src/backend/executor/nodeResult.c b/src/backend/executor/nodeResult.c
index 1762b87c999..0946af0a549 100644
--- a/src/backend/executor/nodeResult.c
+++ b/src/backend/executor/nodeResult.c
@@ -103,7 +103,7 @@ ExecResult(PlanState *pstate)
 	 * called, OR that we failed the constant qual check. Either way, now we
 	 * are through.
 	 */
-	while (!node->rs_done)
+	if (!node->rs_done)
 	{
 		outerPlan = outerPlanState(node);