diff --git a/include/kernel/events.h b/include/kernel/events.h
index 9342160..d16235e 100644
--- a/include/kernel/events.h
+++ b/include/kernel/events.h
@@ -19,5 +19,6 @@ struct event {
 #define EVENT_RESIZE         (1<<6)
 #define EVENT_REVEAL         (1<<7)
 #define EVENT_HIDE           (1<<8)
+#define EVENT_DATA           (1<<9)
 
 #endif