diff --git a/src/compton.c b/src/compton.c
index 8a544bc..d927674 100644
--- a/src/compton.c
+++ b/src/compton.c
@@ -1332,9 +1332,12 @@ static void _draw_callback(EV_P_ session_t *ps, int revents attr_unused) {
 		// Call fill_win on new windows
 		handle_new_windows(ps);
 
-		auto r = xcb_get_input_focus_reply(ps->c, xcb_get_input_focus(ps->c), NULL);
-		if (!ps->active_win || (r && r->focus != ps->active_win->base.id)) {
-			recheck_focus(ps);
+		{
+			auto r = xcb_get_input_focus_reply(ps->c, xcb_get_input_focus(ps->c), NULL);
+			if (!ps->active_win || (r && r->focus != ps->active_win->base.id)) {
+				recheck_focus(ps);
+			}
+			free(r);
 		}
 
 		// Refresh pixmaps