diff --git a/libs/binder/IInterface.cpp b/libs/binder/IInterface.cpp
index 9f1192f..29acf5d 100644
--- a/libs/binder/IInterface.cpp
+++ b/libs/binder/IInterface.cpp
@@ -20,6 +20,13 @@
 
 // ---------------------------------------------------------------------------
 
+IInterface::IInterface() 
+    : RefBase() {
+}
+
+IInterface::~IInterface() {
+}
+
 sp<IBinder> IInterface::asBinder()
 {
     return this ? onAsBinder() : NULL;