1 files changed, 2 insertions, 0 deletions
diff --git a/window.c b/window.c
index 6e76b480..530d9574 100644
--- a/window.c
+++ b/window.c
@@ -997,6 +997,8 @@ window_pane_spawn(struct window_pane *wp, int argc, char **argv,
 
 	wp->event = bufferevent_new(wp->fd, window_pane_read_callback, NULL,
 	    window_pane_error_callback, wp);
+	if (wp->event == NULL)
+		fatalx("out of memory");
 
 	bufferevent_setwatermark(wp->event, EV_READ, 0, READ_SIZE);
 	bufferevent_enable(wp->event, EV_READ|EV_WRITE);