diff --git a/softmmu/runstate.c b/softmmu/runstate.c
index e770cdde09c..77b1adb84f9 100644
--- a/softmmu/runstate.c
+++ b/softmmu/runstate.c
@@ -668,9 +668,9 @@ static bool main_loop_should_exit(int *status)
         vm_stop(RUN_STATE_DEBUG);
 
 //// --- Begin LibAFL code ---
-
+#ifdef AS_LIB
         return true;    // exit back to fuzzing harness
-
+#endif
 //// --- End LibAFL code ---
 
     }