diff --git a/hw/rtc/twl92230.c b/hw/rtc/twl92230.c
index a787bd2..006d75e 100644
--- a/hw/rtc/twl92230.c
+++ b/hw/rtc/twl92230.c
@@ -697,6 +697,7 @@
 #ifdef VERBOSE
         printf("%s: unknown register %02x\n", __func__, addr);
 #endif
+        break;
     }
 }