1 files changed, 2 insertions, 0 deletions
diff --git a/includes/Task.h b/includes/Task.h
index 592d5c3..b3f395a 100644
--- a/includes/Task.h
+++ b/includes/Task.h
@@ -27,6 +27,8 @@ class Task;
 namespace Events {
 
 class Callback {
+  public:
+      virtual ~Callback() { }
   protected:
     virtual void gotEvent(BaseEvent *) = 0;
     friend class BaseEvent;