diff --git a/tasks/RebuildStaticCacheTask.php b/tasks/RebuildStaticCacheTask.php
index 14a93a9b..975c49d0 100644
--- a/tasks/RebuildStaticCacheTask.php
+++ b/tasks/RebuildStaticCacheTask.php
@@ -21,7 +21,7 @@ class RebuildStaticCacheTask extends Controller {
 		}
 		
 		
-		if($_GET['urls']) $urls = $_GET['urls'];
+		if(!empty($_GET['urls'])) $urls = $_GET['urls'];
 		else $urls = $page->allPagesToCache();
 
 		$this->rebuildCache($urls, true);