diff --git a/src/coreclr/jit/lower.cpp b/src/coreclr/jit/lower.cpp
index 87ff5a1d2aa6bf..2b2d13326be0b5 100644
--- a/src/coreclr/jit/lower.cpp
+++ b/src/coreclr/jit/lower.cpp
@@ -6425,7 +6425,7 @@ void Lowering::CheckCallArg(GenTree* arg)
 {
     if (!arg->IsValue() && !arg->OperIsPutArgStk())
     {
-        assert(arg->OperIsStore() || arg->OperIsCopyBlkOp());
+        assert(arg->OperIsStore() || arg->IsNothingNode() || arg->OperIsCopyBlkOp());
         return;
     }