diff --git a/patches/android_frameworks_base-M.patch b/patches/android_frameworks_base-M.patch
index 73ffe66e..72d68e7e 100644
--- a/patches/android_frameworks_base-M.patch
+++ b/patches/android_frameworks_base-M.patch
@@ -1,26 +1,46 @@
+From 7357f8c0c8a6bdc09555ab47dae83f28346b8470 Mon Sep 17 00:00:00 2001
+From: =?UTF-8?q?Beno=C3=AEt=20Mauduit?= <bmauduit@beneth.fr>
+Date: Wed, 22 Jun 2016 15:04:56 +0200
+Subject: [PATCH 1/1] Add signature Spoofing permission
+MIME-Version: 1.0
+Content-Type: text/plain; charset=UTF-8
+Content-Transfer-Encoding: 8bit
+
+This is needed by GmsCore (https://microg.org/) to pretend
+the existence of the official Play Services to applications calling
+Google APIs.
+
+Signed-off-by: Benoît Mauduit <bmauduit@beneth.fr>
+---
+ core/res/AndroidManifest.xml                       |  7 +++++++
+ core/res/res/values/config.xml                     |  2 ++
+ core/res/res/values/strings.xml                    |  5 +++++
+ .../android/server/pm/PackageManagerService.java   | 23 ++++++++++++++++++++--
+ 4 files changed, 35 insertions(+), 2 deletions(-)
+
 diff --git a/core/res/AndroidManifest.xml b/core/res/AndroidManifest.xml
-index 08bccc1..45b0094 100644
+index ea0e39c..a936983 100644
 --- a/core/res/AndroidManifest.xml
 +++ b/core/res/AndroidManifest.xml
-@@ -1622,6 +1622,13 @@
-         android:label="@string/permlab_getPackageSize"
+@@ -1654,6 +1654,13 @@
          android:description="@string/permdesc_getPackageSize"
          android:protectionLevel="normal" />
-+    
+ 
 +    <!-- @hide Allows an application to change the package signature as
 +         seen by applications -->
 +    <permission android:name="android.permission.FAKE_PACKAGE_SIGNATURE"
 +        android:protectionLevel="dangerous"
 +        android:label="@string/permlab_fakePackageSignature"
 +        android:description="@string/permdesc_fakePackageSignature" />
- 
++
      <!-- @deprecated No longer useful, see
           {@link android.content.pm.PackageManager#addPackageToPreferred}
+          for details. -->
 diff --git a/core/res/res/values/config.xml b/core/res/res/values/config.xml
-index 6c96f84..c391f30 100644
+index c7846cf..916d8a5 100644
 --- a/core/res/res/values/config.xml
 +++ b/core/res/res/values/config.xml
-@@ -1176,6 +1176,8 @@
+@@ -1298,6 +1298,8 @@
      <string-array name="config_locationProviderPackageNames" translatable="false">
          <!-- The standard AOSP fused location provider -->
          <item>com.android.location.fused</item>
@@ -30,26 +50,26 @@ index 6c96f84..c391f30 100644
  
      <!-- This string array can be overriden to enable test location providers initially. -->
 diff --git a/core/res/res/values/strings.xml b/core/res/res/values/strings.xml
-index 8a9b9cf..cd7ec0d 100644
+index 58135db..e65367a 100644
 --- a/core/res/res/values/strings.xml
 +++ b/core/res/res/values/strings.xml
-@@ -615,6 +615,11 @@
- 
+@@ -616,6 +616,11 @@
      <!--  Permissions -->
  
-+   <!-- Title of an application permission, listed so the user can choose whether they want to allow the application to do this. -->
+     <!-- Title of an application permission, listed so the user can choose whether they want to allow the application to do this. -->
 +    <string name="permlab_fakePackageSignature">Spoof package signature</string>
 +    <!-- Description of an application permission, listed so the user can choose whether they want to allow the application to do this. -->
 +    <string name="permdesc_fakePackageSignature">Allows the app to pretend to be a different app. Malicious applications might be able to use this to access private application data. Grant this permission with caution only!</string>
 +
-     <!-- Title of an application permission, listed so the user can choose whether they want to allow the application to do this. -->
++    <!-- Title of an application permission, listed so the user can choose whether they want to allow the application to do this. -->
      <string name="permlab_statusBar">disable or modify status bar</string>
      <!-- Description of an application permission, listed so the user can choose whether they want to allow the application to do this. -->
+     <string name="permdesc_statusBar">Allows the app to disable the status bar or add and remove system icons.</string>
 diff --git a/services/core/java/com/android/server/pm/PackageManagerService.java b/services/core/java/com/android/server/pm/PackageManagerService.java
-index c1d091b..8195e32 100644
+index 0493180..35f49d7 100644
 --- a/services/core/java/com/android/server/pm/PackageManagerService.java
 +++ b/services/core/java/com/android/server/pm/PackageManagerService.java
-@@ -2653,8 +2653,27 @@ public class PackageManagerService extends IPackageManager.Stub {
+@@ -2816,8 +2816,27 @@ public class PackageManagerService extends IPackageManager.Stub {
          final Set<String> permissions = permissionsState.getPermissions(userId);
          final PackageUserState state = ps.readUserState(userId);
  
@@ -76,4 +96,9 @@ index c1d091b..8195e32 100644
 +            Log.w("PackageManagerService.FAKE_PACKAGE_SIGNATURE", t);
 +        }
 +        return pi;
-     }
\ No newline at end of file
+     }
+ 
+     @Override
+-- 
+2.8.1
+