diff --git a/vl.h b/vl.h
index 1f1e9e4242..a8a70af5d4 100644
--- a/vl.h
+++ b/vl.h
@@ -188,7 +188,7 @@ typedef struct CharDriverState {
                                  IOCanRWHandler *fd_can_read, 
                                  IOReadHandler *fd_read, void *opaque);
     IOEventHandler *chr_event;
-    IOEventHandler *chr_send_event;
+    void (*chr_send_event)(struct CharDriverState *chr, int event);
     void *opaque;
 } CharDriverState;