diff --git a/AndroidManifest.xml b/AndroidManifest.xml
index 58d3fdf7..54b31752 100644
--- a/AndroidManifest.xml
+++ b/AndroidManifest.xml
@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="utf-8"?>
 <manifest xmlns:android="http://schemas.android.com/apk/res/android"
     package="org.kde.kdeconnect_tp"
-    android:versionCode="903"
+    android:versionCode="904"
     android:versionName="0.9">
 
     <uses-sdk android:minSdkVersion="9"
diff --git a/src/org/kde/kdeconnect/Device.java b/src/org/kde/kdeconnect/Device.java
index 5bb3d5f5..32823308 100644
--- a/src/org/kde/kdeconnect/Device.java
+++ b/src/org/kde/kdeconnect/Device.java
@@ -83,8 +83,8 @@ public class Device implements BaseLink.PackageReceiver {
     private ArrayList<String> unsupportedPlugins = new ArrayList<>();
     private HashSet<String> supportedIncomingInterfaces = new HashSet<>();
 
-    HashMap<String, ArrayList<String>> pluginsByIncomingInterface;
-    HashMap<String, ArrayList<String>> pluginsByOutgoingInterface;
+    private HashMap<String, ArrayList<String>> pluginsByIncomingInterface;
+    private HashMap<String, ArrayList<String>> pluginsByOutgoingInterface;
 
     private final SharedPreferences settings;