diff --git a/lang/main.c b/lang/main.c
index 18e70c9..3411115 100644
--- a/lang/main.c
+++ b/lang/main.c
@@ -17,7 +17,7 @@
 	vm_call(state, numA, "Add", 2);
 	Object numC = vm_stack_pop(state);
 	printf("numC value is %i\n", number_value(numC));
-	abort_if(number_value(numC) != 8, "add return value is not 1234");
+	abort_if(number_value(numC) != 8, "add return value is not 8");
 	object_drop(&numA);
 	object_drop(&numC);
 }