diff --git a/modules/imap/output_modules.php b/modules/imap/output_modules.php
index 273807b022..2d795e5b1e 100644
--- a/modules/imap/output_modules.php
+++ b/modules/imap/output_modules.php
@@ -230,7 +230,8 @@ protected function output() {
                                 }
                             }
 
-                            $contact = ($this->get('contact_store'))->get(null, false, $contact_email);
+                            $contact_store = $this->get('contact_store');
+                            $contact = !$contact_store ? null : $contact_store->get(null, false, $contact_email);
                             $contact_exists = !empty($contact);
 
                             $txt .= '<tr class="header_'.$fld.'"><th>'.$this->trans($name).'