diff --git a/islandora_rdf_mapping_service/include/islandora_rdf_mapping_service.inc b/islandora_rdf_mapping_service/include/islandora_rdf_mapping_service.inc
index 58802108..163d40c5 100644
--- a/islandora_rdf_mapping_service/include/islandora_rdf_mapping_service.inc
+++ b/islandora_rdf_mapping_service/include/islandora_rdf_mapping_service.inc
@@ -20,6 +20,6 @@ function islandora_rdf_mapping_service_retrieve($type, $bundle) {
   return array(
     'rdf_mapping' => rdf_mapping_load($type, $bundle),
     'rdf_namespaces' => rdf_get_namespaces(),
-    'pcdm_file_mapping' => module_invoke_all('pcdm_file_mapping')
+    'pcdm_file_mapping' => module_invoke_all('pcdm_file_mapping'),
   );
 }