diff --git a/src/org/microg/gms/common/Constants.java b/src/org/microg/gms/common/Constants.java
index 1197f46a..3f7e65cb 100644
--- a/src/org/microg/gms/common/Constants.java
+++ b/src/org/microg/gms/common/Constants.java
@@ -10,6 +10,7 @@ public class Constants {
     public static final String KEY_MOCK_LOCATION = "mockLocation";
     public static final String DEFAULT_ACCOUNT = "<<default account>>";
     public static final String GMS_PACKAGE_NAME = "com.google.android.gms";
+    public static final String GMS_PACKAGE_SIGNATURE_SHA1 = "38918a453d07199354f8b19af05ec6562ced5788";
 
     /**
      * No base map tiles.