diff --git a/src/libruntime/jerry-exit.c b/src/libruntime/jerry-exit.c
index 277f0b2b9..296383762 100644
--- a/src/libruntime/jerry-exit.c
+++ b/src/libruntime/jerry-exit.c
@@ -69,9 +69,10 @@ jerry_Exit( jerry_Status_t code) /**< status code */
       case ERR_GENERAL:
         __printf("ERR_GENERAL\n");
         break;
-      default:
-        __printf( "Return code is zero");
     }
+
+    /* The failed assertion is 'Return code is zero' */
+    jerry_AssertFail( "Return code is zero", __FILE__, __LINE__);
   }
 #endif /* !JERRY_NDEBUG */