diff --git a/plugins/api/discovery/src/org/apache/cloudstack/discovery/ApiDiscoveryServiceImpl.java b/plugins/api/discovery/src/org/apache/cloudstack/discovery/ApiDiscoveryServiceImpl.java
index 08fb573e4d9..860240faef0 100755
--- a/plugins/api/discovery/src/org/apache/cloudstack/discovery/ApiDiscoveryServiceImpl.java
+++ b/plugins/api/discovery/src/org/apache/cloudstack/discovery/ApiDiscoveryServiceImpl.java
@@ -219,6 +219,7 @@ public class ApiDiscoveryServiceImpl implements ApiDiscoveryService {
                 try {
                     apiChecker.checkAccess(user, name);
                 } catch (Exception ex) {
+                    s_logger.debug("API discovery access check failed for " + name + " with " + ex.getMessage());
                     return null;
                 }
             }