diff --git a/plugins/libkolab/lib/kolab_storage.php b/plugins/libkolab/lib/kolab_storage.php
index 0f81cec3..48ac24a6 100644
--- a/plugins/libkolab/lib/kolab_storage.php
+++ b/plugins/libkolab/lib/kolab_storage.php
@@ -976,7 +976,7 @@ class kolab_storage
             }
 
             if (!self::$imap->folder_exists($folder)) {
-                if (!self::$imap->folder_create($folder)) {
+                if (!self::$imap->create_folder($folder)) {
                     return;
                 }
             }