diff --git a/openbox/event.c b/openbox/event.c
index c419e39a..0d67fce0 100644
--- a/openbox/event.c
+++ b/openbox/event.c
@@ -2202,7 +2202,7 @@ gboolean event_time_after(guint32 t1, guint32 t2)
 gboolean find_timestamp(XEvent *e, gpointer data)
 {
     const Time t = event_get_timestamp(e);
-    if (t > event_curtime) {
+    if (t >= event_curtime) {
         event_curtime = t;
         return TRUE;
     }