diff --git a/src/main/java/org/apache/sling/serviceusermapping/impl/ServiceUserMapperImpl.java b/src/main/java/org/apache/sling/serviceusermapping/impl/ServiceUserMapperImpl.java
index cdf82f0..edd22dd 100644
--- a/src/main/java/org/apache/sling/serviceusermapping/impl/ServiceUserMapperImpl.java
+++ b/src/main/java/org/apache/sling/serviceusermapping/impl/ServiceUserMapperImpl.java
@@ -240,6 +240,7 @@
         }
 
         activeMappings = mappings.toArray(new Mapping[mappings.size()]);
+        log.debug("Active mappings updated: {}", mappings);
 
         RegistrationSet registrationSet = updateServiceRegistrations(activeMappings);