diff --git a/headers/private/kernel/listeners.h b/headers/private/kernel/listeners.h
index a12924506d..29a642eb9b 100644
--- a/headers/private/kernel/listeners.h
+++ b/headers/private/kernel/listeners.h
@@ -68,6 +68,8 @@ NotifySchedulerListeners(
 
 
 struct WaitObjectListener : DoublyLinkedListLinkImpl<WaitObjectListener> {
+	virtual						~WaitObjectListener();
+
 	virtual	void				SemaphoreCreated(sem_id id,
 									const char* name) = 0;
 	virtual	void				ConditionVariableInitialized(
diff --git a/src/system/kernel/listeners.cpp b/src/system/kernel/listeners.cpp
index c05a0833ef..61941ff120 100644
--- a/src/system/kernel/listeners.cpp
+++ b/src/system/kernel/listeners.cpp
@@ -10,6 +10,11 @@ WaitObjectListenerList gWaitObjectListeners;
 spinlock gWaitObjectListenerLock = B_SPINLOCK_INITIALIZER;
 
 
+WaitObjectListener::~WaitObjectListener()
+{
+}
+
+
 /*!	Add the given wait object listener. gWaitObjectListenerLock lock must be
 	held.
 */