diff --git a/include/wx/unix/private/epolldispatcher.h b/include/wx/unix/private/epolldispatcher.h
index 39bd3a27e5..d689ea243c 100644
--- a/include/wx/unix/private/epolldispatcher.h
+++ b/include/wx/unix/private/epolldispatcher.h
@@ -32,7 +32,7 @@ public:
     virtual bool RegisterFD(int fd, wxFDIOHandler* handler, int flags = wxFDIO_ALL);
     virtual bool ModifyFD(int fd, wxFDIOHandler* handler, int flags = wxFDIO_ALL);
     virtual bool UnregisterFD(int fd);
-    virtual void Dispatch(int timeout = TIMEOUT_INFINITE);
+    virtual bool Dispatch(int timeout = TIMEOUT_INFINITE);
 
 private:
     // ctor is private, use Create()