diff --git a/README.md b/README.md
index 96b6fb9..e79c3fa 100644
--- a/README.md
+++ b/README.md
@@ -104,7 +104,6 @@ This fixer does not execute unless the `auth-ext.default.admin-users` property i
 | ------------------------------------ | ------------ | ----------- |
 | `auth-ext.default.admins.users`      |              | A comma delimited list of user emails. |
 | `auth-ext.group.admins.name`         | `Superusers` | The APS Group (Capability or Organization) for the specified users to be members. |
-| `auth-ext.group.admins.externalId`   |              | If specified, the external APS Group will take precedence over the internal APS Group; if both exist. |
 
 #### Administrator Group Fixer
 
diff --git a/src/main/java/com/inteligr8/activiti/auth/ActivitiAppAdministratorMembersFixer.java b/src/main/java/com/inteligr8/activiti/auth/ActivitiAppAdministratorMembersFixer.java
index 9a67da2..87aa477 100644
--- a/src/main/java/com/inteligr8/activiti/auth/ActivitiAppAdministratorMembersFixer.java
+++ b/src/main/java/com/inteligr8/activiti/auth/ActivitiAppAdministratorMembersFixer.java
@@ -58,7 +58,7 @@ public class ActivitiAppAdministratorMembersFixer implements DataFixer {
     @Value("${auth-ext.group.admins.name:Superusers}")
     private String adminGroupName;
     
-    @Value("${auth-ext.group.admins.externalId:#{null}}")
+    @Value("${auth-ext.externalId:oauth}")
     private String adminGroupExternalId;
     
     @Override