diff --git a/dependencymanager/core/src/main/java/org/apache/felix/dm/impl/dependencies/ServiceDependencyImpl.java b/dependencymanager/core/src/main/java/org/apache/felix/dm/impl/dependencies/ServiceDependencyImpl.java
index 499bb14..2888b72 100644
--- a/dependencymanager/core/src/main/java/org/apache/felix/dm/impl/dependencies/ServiceDependencyImpl.java
+++ b/dependencymanager/core/src/main/java/org/apache/felix/dm/impl/dependencies/ServiceDependencyImpl.java
@@ -235,6 +235,7 @@
             m_callbackAdded = prototype.m_callbackAdded;
             m_callbackChanged = prototype.m_callbackChanged;
             m_callbackRemoved = prototype.m_callbackRemoved;
+            m_callbackSwapped = prototype.m_callbackSwapped;
             m_autoConfigInstance = prototype.m_autoConfigInstance;
             m_defaultImplementation = prototype.m_defaultImplementation;
         }