diff --git a/cube/User/Src/networkAbstractionLayer_lan.c b/cube/User/Src/networkAbstractionLayer_lan.c
index cc55d56..0c3b1f2 100644
--- a/cube/User/Src/networkAbstractionLayer_lan.c
+++ b/cube/User/Src/networkAbstractionLayer_lan.c
@@ -57,6 +57,8 @@ void networkSntpEngine(void *handle) {
                 coloredMsg(LOG_BLUE, "nes, error when querying ntp server name");
                 sntpState = SNTP_STATE_ERROR;
             }
+        default:
+            coloredMsg(LOG_BLUE, "nes, unexpected state");
         }
     }
 }