1 files changed, 4 insertions, 0 deletions
diff --git a/input.c b/input.c
index 7a371c62..d1ff17fe 100644
--- a/input.c
+++ b/input.c
@@ -20,6 +20,7 @@
 
 #include <stdlib.h>
 #include <string.h>
+#include <time.h>
 
 #include "tmux.h"
 
@@ -849,6 +850,9 @@ input_parse(struct window_pane *wp)
 	wp->window->flags |= WINDOW_ACTIVITY;
 	wp->window->flags &= ~WINDOW_SILENCE;
 
+	if (gettimeofday(&wp->window->activity_time, NULL) != 0)
+		fatal("gettimeofday failed");
+
 	/*
 	 * Open the screen. Use NULL wp if there is a mode set as don't want to
 	 * update the tty.