diff --git a/kernel/power/qos.c b/kernel/power/qos.c
index 6a031e6..846bd42 100644
--- a/kernel/power/qos.c
+++ b/kernel/power/qos.c
@@ -139,6 +139,7 @@
 	default:
 		/* runtime check for not using enum */
 		BUG();
+		return PM_QOS_DEFAULT_VALUE;
 	}
 }