diff --git a/src/coreclr/jit/assertionprop.cpp b/src/coreclr/jit/assertionprop.cpp
index 280d1fef56dc0..ccade20df0fbc 100644
--- a/src/coreclr/jit/assertionprop.cpp
+++ b/src/coreclr/jit/assertionprop.cpp
@@ -1344,12 +1344,12 @@ AssertionIndex Compiler::optCreateAssertion(GenTree*         op1,
             if (op1->gtGetOp2()->IsCnsIntOrI())
             {
                 offset += op1->gtGetOp2()->AsIntCon()->gtIconVal;
-                op1 = op1->gtGetOp1();
+                op1 = op1->gtGetOp1()->gtEffectiveVal(/* commaOnly */ true);
             }
             else if (op1->gtGetOp1()->IsCnsIntOrI())
             {
                 offset += op1->gtGetOp1()->AsIntCon()->gtIconVal;
-                op1 = op1->gtGetOp2();
+                op1 = op1->gtGetOp2()->gtEffectiveVal(/* commaOnly */ true);
             }
             else
             {