'm' might not be set (vfolders)

diff --git a/imp/lib/Search/Query.php b/imp/lib/Search/Query.php
index 474614f..3208817 100644 (file)
--- a/imp/lib/Search/Query.php
+++ b/imp/lib/Search/Query.php
@@ -308,7 +308,9 @@ class IMP_Search_Query implements Serializable
         if (isset($data['l'])) {
             $this->_label = $data['l'];
         }
-        $this->_mboxes = $data['m'];
+        if (isset($data['m'])) {
+            $this->_mboxes = $data['m'];
+        }
     }
 
 }