diff --git a/scr/src/main/java/org/apache/felix/scr/impl/manager/RefPair.java b/scr/src/main/java/org/apache/felix/scr/impl/manager/RefPair.java
index cdd7d13..eb041db 100644
--- a/scr/src/main/java/org/apache/felix/scr/impl/manager/RefPair.java
+++ b/scr/src/main/java/org/apache/felix/scr/impl/manager/RefPair.java
@@ -50,4 +50,10 @@
     {
         this.serviceObject = serviceObject;
     }
+
+    @Override
+    public String toString()
+    {
+        return "[RefPair: ref: [" + ref + "] service: [" + serviceObject + "]]";
+    }
 }