diff --git a/app/src/main/java/nodomain/freeyourgadget/gadgetbridge/btle/BtLEQueue.java b/app/src/main/java/nodomain/freeyourgadget/gadgetbridge/btle/BtLEQueue.java
index eba0cbf9..703346e8 100644
--- a/app/src/main/java/nodomain/freeyourgadget/gadgetbridge/btle/BtLEQueue.java
+++ b/app/src/main/java/nodomain/freeyourgadget/gadgetbridge/btle/BtLEQueue.java
@@ -237,10 +237,17 @@ public final class BtLEQueue {
     private final BluetoothGattCallback internalGattCallback = new BluetoothGattCallback() {
         @Override
         public void onConnectionStateChange(BluetoothGatt gatt, int status, int newState) {
+            LOG.debug("connection state change: status: " + status + ", newState: " + newState);
+
             if (!checkCorrectGattInstance(gatt, "connection state event")) {
                 return;
             }
 
+            if (status != BluetoothGatt.GATT_SUCCESS) {
+                LOG.warn("ignoring connection state event with status " + status);
+                return;
+            }
+
             switch (newState) {
                 case BluetoothProfile.STATE_CONNECTED:
                     LOG.info("Connected to GATT server.");