1 files changed, 2 insertions, 0 deletions
diff --git a/cpp/src/Ice/Reference.h b/cpp/src/Ice/Reference.h
index 988cfa83bc8..a014666fe10 100644
--- a/cpp/src/Ice/Reference.h
+++ b/cpp/src/Ice/Reference.h
@@ -116,6 +116,8 @@ protected:
     mutable Ice::Int _hashValue;
     mutable bool _hashInitialized;
 
+    static std::pointer_to_unary_function<int, int> _rand;
+
 private:
 
     const InstancePtr _instance;