diff --git a/library/Icinga/Application/Modules/Module.php b/library/Icinga/Application/Modules/Module.php
index 195376f1c..2c13cd018 100644
--- a/library/Icinga/Application/Modules/Module.php
+++ b/library/Icinga/Application/Modules/Module.php
@@ -967,7 +967,7 @@ class Module
 
                             $parts = preg_split('/,\s+/', $val);
                             foreach ($parts as $part) {
-                                if (preg_match('/^(\w+)\s+\((.+)\)$/', $part, $m)) {
+                                if (preg_match('/^([\w\-\/]+)\s+\((.+)\)$/', $part, $m)) {
                                     $metadata->{$key}[$m[1]] = $m[2];
                                 } else {
                                     // TODO: FAIL?