diff --git a/src/IDF/Scm.php b/src/IDF/Scm.php
index efa8f74..e5752ca 100644
--- a/src/IDF/Scm.php
+++ b/src/IDF/Scm.php
@@ -343,10 +343,8 @@ class IDF_Scm
         $key = 'IDF_Scm:'.$project->shortname.':lastsync'; 
         if (null === ($res=$cache->get($key))) {
             $scm = IDF_Scm::get($project);
-            foreach ($scm->getBranches() as $branche => $path) {
-                foreach ($scm->getChangeLog($branche, 25) as $change) {
-                    IDF_Commit::getOrAdd($change, $project);
-                }
+            foreach ($scm->getChangeLog($scm->getMainBranch(), 25) as $change) {
+                IDF_Commit::getOrAdd($change, $project);
             }
             $cache->set($key, true, (int)(Pluf::f('cache_timeout', 300)/2));
         }
diff --git a/src/IDF/Scm/Svn.php b/src/IDF/Scm/Svn.php
index f4ce4f2..89f4c1d 100644
--- a/src/IDF/Scm/Svn.php
+++ b/src/IDF/Scm/Svn.php
@@ -260,6 +260,7 @@ class IDF_Scm_Svn extends IDF_Scm
         if (isset($this->cache['branches'])) {
             return $this->cache['branches'];
         }
+        $res = array();
         $cmd = sprintf(Pluf::f('svn_path', 'svn').' ls --username=%s --password=%s %s@HEAD',
                        escapeshellarg($this->username),
                        escapeshellarg($this->password),
@@ -365,13 +366,17 @@ class IDF_Scm_Svn extends IDF_Scm
     /**
      * Get latest changes.
      *
-     * @param string Commit ('HEAD').
+     * @param string Revision or ('HEAD').
      * @param int Number of changes (10).
      *
      * @return array Changes.
      */
     public function getChangeLog($rev='HEAD', $n=10)
     {
+        if ($rev != 'HEAD' and !preg_match('/^\d+$/', $rev)) {
+            // we accept only revisions or HEAD
+            $rev = 'HEAD';
+        }
         $res = array();
         $cmd = sprintf(Pluf::f('svn_path', 'svn').' log --xml -v --limit %s --username=%s --password=%s %s@%s',
                        escapeshellarg($n),
@@ -381,8 +386,6 @@ class IDF_Scm_Svn extends IDF_Scm
                        escapeshellarg($rev));
         $xmlRes = shell_exec($cmd);
         $xml = simplexml_load_string($xmlRes);
-
-        $res = array();
         foreach ($xml->logentry as $entry) {
             $log = array();
             $log['author'] = (string) $entry->author;
@@ -393,7 +396,6 @@ class IDF_Scm_Svn extends IDF_Scm
 
             $res[] = (object) $log;
         }
-
         return $res;
     }