diff --git a/dependencymanager/src/main/java/org/apache/felix/dependencymanager/ServiceDependency.java b/dependencymanager/src/main/java/org/apache/felix/dependencymanager/ServiceDependency.java
index 398346f..79bd738 100644
--- a/dependencymanager/src/main/java/org/apache/felix/dependencymanager/ServiceDependency.java
+++ b/dependencymanager/src/main/java/org/apache/felix/dependencymanager/ServiceDependency.java
@@ -532,7 +532,7 @@
         }
         m_trackedServiceName = serviceName;
         if (serviceFilter != null) {
-            m_trackedServiceFilter ="(&(" + Constants.OBJECTCLASS + "=" + serviceName + ")" + serviceFilter + ")";
+            m_trackedServiceFilter ="(&(" + Constants.OBJECTCLASS + "=" + serviceName.getName() + ")" + serviceFilter + ")";
         }
         else {
             m_trackedServiceFilter = null;