diff --git a/popup.c b/popup.c
index fc3998e4..8c4a65c6 100644
--- a/popup.c
+++ b/popup.c
@@ -352,7 +352,7 @@ popup_make_pane(struct popup_data *pd, enum layout_type type)
 	new_wp = window_add_pane(wp->window, NULL, hlimit, 0);
 	layout_assign_pane(lc, new_wp, 0);
 
-	if (pd->job)
+	if (pd->job != NULL)
 		new_wp->fd = job_transfer(pd->job, &new_wp->pid, new_wp->tty,
 		    sizeof new_wp->tty);
 	pd->job = NULL;