diff --git a/src/main/scala/app/IndexController.scala b/src/main/scala/app/IndexController.scala
index 6857cbd..5612f9b 100644
--- a/src/main/scala/app/IndexController.scala
+++ b/src/main/scala/app/IndexController.scala
@@ -5,10 +5,12 @@
 import jp.sf.amateras.scalatra.forms._
 
 class IndexController extends IndexControllerBase 
-  with RepositoryService with AccountService with SystemSettingsService with ActivityService
+  with RepositoryService with SystemSettingsService with ActivityService with AccountService
+with UsersAuthenticator
 
-trait IndexControllerBase extends ControllerBase { self: RepositoryService 
-  with SystemSettingsService with ActivityService =>
+trait IndexControllerBase extends ControllerBase {
+  self: RepositoryService with SystemSettingsService with ActivityService with AccountService
+  with UsersAuthenticator =>
 
   get("/"){
     val loginAccount = context.loginAccount
@@ -20,4 +22,14 @@
     )
   }
 
+  /**
+   * JSON API for collaborator completion.
+   */
+  // TODO Move to other controller?
+  get("/_user/proposals")(usersOnly {
+    contentType = formats("json")
+    org.json4s.jackson.Serialization.write(Map("options" -> getAllUsers.filter(!_.isGroupAccount).map(_.userName).toArray))
+  })
+
+
 }
diff --git a/src/main/scala/app/RepositorySettingsController.scala b/src/main/scala/app/RepositorySettingsController.scala
index 78f8570..ff9c2c2 100644
--- a/src/main/scala/app/RepositorySettingsController.scala
+++ b/src/main/scala/app/RepositorySettingsController.scala
@@ -57,14 +57,14 @@
     settings.html.collaborators(getCollaborators(repository.owner, repository.name), repository)
   })
 
-  /**
-   * JSON API for collaborator completion.
-   */
-  // TODO Merge with UserManagementController
-  get("/:owner/:repository/settings/collaborators/proposals")(usersOnly {
-    contentType = formats("json")
-    org.json4s.jackson.Serialization.write(Map("options" -> getAllUsers.filter(!_.isGroupAccount).map(_.userName).toArray))
-  })
+//  /**
+//   * JSON API for collaborator completion.
+//   */
+//  // TODO Merge with UserManagementController
+//  get("/:owner/:repository/settings/collaborators/proposals")(usersOnly {
+//    contentType = formats("json")
+//    org.json4s.jackson.Serialization.write(Map("options" -> getAllUsers.filter(!_.isGroupAccount).map(_.userName).toArray))
+//  })
 
   /**
    * Add the collaborator.
diff --git a/src/main/scala/app/UserManagementController.scala b/src/main/scala/app/UserManagementController.scala
index 369fe7a..b8afbbf 100644
--- a/src/main/scala/app/UserManagementController.scala
+++ b/src/main/scala/app/UserManagementController.scala
@@ -126,13 +126,13 @@
     } getOrElse NotFound
   })
 
-  /**
-   * JSON API for collaborator completion.
-   */
-  // TODO Merge with RepositorySettingsController
-  get("/admin/users/_members"){
-    contentType = formats("json")
-    org.json4s.jackson.Serialization.write(Map("options" -> getAllUsers.filter(!_.isGroupAccount).map(_.userName).toArray))
-  }
+//  /**
+//   * JSON API for collaborator completion.
+//   */
+//  // TODO Merge with RepositorySettingsController
+//  get("/admin/users/_members"){
+//    contentType = formats("json")
+//    org.json4s.jackson.Serialization.write(Map("options" -> getAllUsers.filter(!_.isGroupAccount).map(_.userName).toArray))
+//  }
 
 }
\ No newline at end of file
diff --git a/src/main/twirl/admin/users/group.scala.html b/src/main/twirl/admin/users/group.scala.html
index 636b927..030b92c 100644
--- a/src/main/twirl/admin/users/group.scala.html
+++ b/src/main/twirl/admin/users/group.scala.html
@@ -45,7 +45,7 @@
 $(function(){
   $('#memberName').typeahead({
     source: function (query, process) {
-      return $.get('@path/admin/users/_members', { query: query },
+      return $.get('@path/_user/proposals', { query: query },
         function (data) {
           return process(data.options);
         });
diff --git a/src/main/twirl/settings/collaborators.scala.html b/src/main/twirl/settings/collaborators.scala.html
index 26b1d6c..6131f7b 100644
--- a/src/main/twirl/settings/collaborators.scala.html
+++ b/src/main/twirl/settings/collaborators.scala.html
@@ -26,7 +26,7 @@
 $(function(){
   $('#userName').typeahead({
     source: function (query, process) {
-      return $.get('@url(repository)/settings/collaborators/proposals', { query: query },
+      return $.get('@path/_user/proposals', { query: query },
         function (data) {
           return process(data.options);
         });