1 files changed, 2 insertions, 2 deletions
diff --git a/cpp/src/Ice/RetryQueue.h b/cpp/src/Ice/RetryQueue.h
index 07307310c8d..ecb1b5dd7c1 100644
--- a/cpp/src/Ice/RetryQueue.h
+++ b/cpp/src/Ice/RetryQueue.h
@@ -38,7 +38,7 @@ private:
 };
 typedef IceUtil::Handle<RetryTask> RetryTaskPtr;
 
-class RetryQueue : public IceUtil::Shared, public IceUtil::Mutex
+class RetryQueue : public IceUtil::Shared, public IceUtil::Monitor<IceUtil::Mutex>
 {
 public:
 
@@ -49,7 +49,7 @@ public:
 
 private:
 
-    bool remove(const RetryTaskPtr&);
+    void remove(const RetryTaskPtr&);
     friend class RetryTask;
 
     InstancePtr _instance;