diff --git a/app/src/main/AndroidManifest.xml b/app/src/main/AndroidManifest.xml
index 6fa1501..22fefb2 100644
--- a/app/src/main/AndroidManifest.xml
+++ b/app/src/main/AndroidManifest.xml
@@ -9,7 +9,8 @@
         android:label="@string/app_name"
         android:roundIcon="@mipmap/ic_launcher_round"
         android:supportsRtl="true"
-        android:theme="@style/Theme.MobiDL" >
+        android:theme="@style/Theme.MobiDL"
+        android:fullBackupContent="@xml/backup_descriptor">
         <activity
             android:name=".MainActivity"
             android:exported="true" >
diff --git a/app/src/main/res/xml/backup_descriptor.xml b/app/src/main/res/xml/backup_descriptor.xml
new file mode 100644
index 0000000..6fd6103
--- /dev/null
+++ b/app/src/main/res/xml/backup_descriptor.xml
@@ -0,0 +1,4 @@
+<?xml version="1.0" encoding="utf-8"?>
+<full-backup-content>
+    <!-- Exclude specific shared preferences that contain GCM registration Id -->
+</full-backup-content>