fix hook registration

diff --git a/apps/encryption/lib/hookmanager.php b/apps/encryption/lib/hookmanager.php
index e2b03d91bc8c18e065b6625aecf603f247fa36cb..19ee142a62263dd3ba3a5be8ff6ec0873a968d7a 100644 (file)
--- a/apps/encryption/lib/hookmanager.php
+++ b/apps/encryption/lib/hookmanager.php
@@ -42,8 +42,9 @@ class HookManager {
                                $this->hookInstances[] = $instance;
                        }
 
+               } elseif ($instances instanceof IHook) {
+                       $this->hookInstances[] = $instances;
                }
-               $this->hookInstances[] = $instances;
                return true;
        }