--- a/mobile/android/base/AndroidManifest.xml.in
+++ b/mobile/android/base/AndroidManifest.xml.in
@@ -1,13 +1,13 @@
 #filter substitution
 <?xml version="1.0" encoding="utf-8"?>
 <manifest xmlns:android="http://schemas.android.com/apk/res/android"
       package="@ANDROID_PACKAGE_NAME@"
-      android:installLocation="auto"
+      android:installLocation="internalOnly"
       android:versionCode="@ANDROID_VERSION_CODE@"
       android:versionName="@MOZ_APP_VERSION@"
 #ifdef MOZ_ANDROID_SHARED_ID
       android:sharedUserId="@MOZ_ANDROID_SHARED_ID@"
 #endif
       >
     <uses-sdk android:minSdkVersion="@MOZ_ANDROID_MIN_SDK_VERSION@"
 #ifdef MOZ_ANDROID_MAX_SDK_VERSION