diff --git a/app/code/UpdateDocsCronTask.php b/app/code/DocsCronTask.php
similarity index 87%
rename from app/code/UpdateDocsCronTask.php
rename to app/code/DocsCronTask.php
index 55ea5ae..7e5c3b6 100644
--- a/app/code/UpdateDocsCronTask.php
+++ b/app/code/DocsCronTask.php
@@ -1,6 +1,6 @@
 <?php
 
-class UpdateDocsCronTask implements CronTask {
+class DocsCronTask implements CronTask {
 	/**
 	 * 
 	 * @return string
diff --git a/app/code/UpdateTask.php b/app/code/UpdateTask.php
index 49e589a..503d8a1 100644
--- a/app/code/UpdateTask.php
+++ b/app/code/UpdateTask.php
@@ -86,13 +86,15 @@ class UpdateTask extends BuildTask
             mkdir("{$path}/src");
         }
 
-        if (!file_exists("{$path}/src/{$folder}_{$branch}")) {
-            $this->printLine("cloning " . $remote . "/" . $branch);
-
-            chdir("{$path}/src");
-            exec("git clone -q git://github.com/{$remote}.git {$folder}_{$branch} --quiet");
+        if (file_exists("{$path}/src/{$folder}_{$branch}")) {
+            exec("rm -rf {$path}/src/{$folder}_{$branch}");
         }
 
+        $this->printLine("cloning " . $remote . "/" . $branch);
+
+        chdir("{$path}/src");
+        exec("git clone -q git://github.com/{$remote}.git {$folder}_{$branch} --quiet");
+
         chdir("{$path}/src/{$folder}_{$branch}");
         exec("git fetch origin");
         exec("git checkout -q origin/{$branch}");