diff --git a/src/backend/go.c b/src/backend/go.c
index 8cd800db3e48..4b20f854f1ff 100644
--- a/src/backend/go.c
+++ b/src/backend/go.c
@@ -221,12 +221,13 @@ void optfunc()
 
     // Each pass through the loop can reduce only one level of comma expression.
     // The infinite loop check needs to take this into account.
+    // Add 100 just to give optimizer more rope to try to converge.
     int iterationLimit = 0;
     for (b = startblock; b; b = b->Bnext)
     {
         if (!b->Belem)
             continue;
-        int d = el_countCommas(b->Belem);
+        int d = el_countCommas(b->Belem) + 100;
         if (d > iterationLimit)
             iterationLimit = d;
     }