diff --git a/src/IDF/Plugin/SyncGit/Cron.php b/src/IDF/Plugin/SyncGit/Cron.php
index 9cd393f..faff5ee 100644
--- a/src/IDF/Plugin/SyncGit/Cron.php
+++ b/src/IDF/Plugin/SyncGit/Cron.php
@@ -57,6 +57,17 @@ class IDF_Plugin_SyncGit_Cron
         file_put_contents($authorized_keys, $out, LOCK_EX);        
     }
 
+    /**
+     * Mark export of git repositories for the daemon.
+     */
+    public static function markExport()
+    {
+        foreach (Pluf::factory('IDF_Project')->getList() as $project) {
+            $rep = sprintf(Pluf::f('git_repositories'), $project->shortname);
+            IDF_Plugin_SyncGit_Serve::setGitExport($project->shortname, $rep);
+        }
+    }
+
     /**
      * Check if a sync is needed.
      *
@@ -66,6 +77,7 @@ class IDF_Plugin_SyncGit_Cron
         if (file_exists(Pluf::f('idf_plugin_syncgit_sync_file'))) {
             @unlink(Pluf::f('idf_plugin_syncgit_sync_file'));
             self::sync();
+            self::markExport();
         }
     }
 }
diff --git a/src/IDF/Plugin/SyncGit/Serve.php b/src/IDF/Plugin/SyncGit/Serve.php
index 6ee1132..bbdafbc 100644
--- a/src/IDF/Plugin/SyncGit/Serve.php
+++ b/src/IDF/Plugin/SyncGit/Serve.php
@@ -231,6 +231,9 @@ class IDF_Plugin_SyncGit_Serve
      */
     public function gitExportDeny($fullpath)
     {
+        if (!file_exists($fullpath)) {
+            return; // Not created yet.
+        }
         @unlink($fullpath.DIRECTORY_SEPARATOR.'git-daemon-export-ok');
         if (file_exists($fullpath.DIRECTORY_SEPARATOR.'git-daemon-export-ok')) {
             throw new Exception('Cannot remove git-daemon-export-ok file.');
@@ -245,6 +248,9 @@ class IDF_Plugin_SyncGit_Serve
      */
     public function gitExportAllow($fullpath)
     {
+        if (!file_exists($fullpath)) {
+            return; // Not created yet.
+        }
         touch($fullpath.DIRECTORY_SEPARATOR.'git-daemon-export-ok');
         if (!file_exists($fullpath.DIRECTORY_SEPARATOR.'git-daemon-export-ok')) {
             throw new Exception('Cannot create git-daemon-export-ok file.');
diff --git a/src/IDF/relations.php b/src/IDF/relations.php
index 52e7ea7..f18b35f 100644
--- a/src/IDF/relations.php
+++ b/src/IDF/relations.php
@@ -63,6 +63,8 @@ Pluf_Signal::connect('Pluf_User::passwordUpdated',
 
 #
 # Git synchronization
+Pluf_Signal::connect('IDF_Project::membershipsUpdated', 
+                     array('IDF_Plugin_SyncGit', 'entry'));
 Pluf_Signal::connect('IDF_Key::postSave', 
                      array('IDF_Plugin_SyncGit', 'entry'));