diff --git a/src/ble/ble_service.c b/src/ble/ble_service.c
index e6b54c9..85ab69d 100644
--- a/src/ble/ble_service.c
+++ b/src/ble/ble_service.c
@@ -412,6 +412,12 @@ static void adv_restart_handler(struct k_work *work)
         return;
     }
 
+    if ((current_conn != NULL) || ble_connection_st)
+    {
+        DBG_CORE("[BLE] Advertising restart skipped (connected)\r\n");
+        return;
+    }
+
     ble_advertising_start();
     led_set_state(LED_STATE_ADVERTISING);
 }