diff --git a/tests/test_c/test.S b/tests/test_c/test.S
index c151232..90649d8 100644
--- a/tests/test_c/test.S
+++ b/tests/test_c/test.S
@@ -17,7 +17,7 @@ _start:
     nop
     nop
     nop
-    call    addathing
+    # call    addathing  # c compilation has sw/lw instructions. Missing stalls break execution
     nop
     nop
     nop