1 files changed, 1 insertions, 1 deletions
diff --git a/lib/caldav/responder.js b/lib/caldav/responder.js
index 6ba41c4..ae1cf16 100644
--- a/lib/caldav/responder.js
+++ b/lib/caldav/responder.js
@@ -90,7 +90,7 @@
 
       if (typeof(callback) === 'undefined' && typeof(type) === 'object') {
         for (event in type) {
-          if (type.hasOwnProperty(event)) {
+          if (Object.hasOwnProperty.call(type, event)) {
             this.addEventListener(event, type[event]);
           }
         }