diff --git a/app/src/main/java/nodomain/freeyourgadget/gadgetbridge/devices/AbstractDeviceCoordinator.java b/app/src/main/java/nodomain/freeyourgadget/gadgetbridge/devices/AbstractDeviceCoordinator.java
index 37de052ab..35c96f444 100644
--- a/app/src/main/java/nodomain/freeyourgadget/gadgetbridge/devices/AbstractDeviceCoordinator.java
+++ b/app/src/main/java/nodomain/freeyourgadget/gadgetbridge/devices/AbstractDeviceCoordinator.java
@@ -75,11 +75,13 @@ public abstract class AbstractDeviceCoordinator implements DeviceCoordinator {
         Prefs prefs = getPrefs();
         String lastDevice = prefs.getPreferences().getString("last_device_address","");
         if (gbDevice.getAddress() == lastDevice){
-            prefs.getPreferences().edit().remove("last_device_address");
+            LOG.debug("#1605 removing last device");
+            prefs.getPreferences().edit().remove("last_device_address").apply();
         }
         String macAddress = prefs.getPreferences().getString(MiBandConst.PREF_MIBAND_ADDRESS,"");
         if (gbDevice.getAddress() == macAddress){
-            prefs.getPreferences().edit().remove(MiBandConst.PREF_MIBAND_ADDRESS);
+            LOG.debug("#1605 removing devel miband");
+            prefs.getPreferences().edit().remove(MiBandConst.PREF_MIBAND_ADDRESS).apply();
         }
         try (DBHandler dbHandler = GBApplication.acquireDB()) {
             DaoSession session = dbHandler.getDaoSession();