diff --git a/src/dialog.ts b/src/dialog.ts
index a9fba72..4b23073 100644
--- a/src/dialog.ts
+++ b/src/dialog.ts
@@ -1,6 +1,5 @@
 import { ChildProcessWithoutNullStreams, spawn } from "child_process";
 import { EventEmitter } from "events";
-import { promisify } from "util";
 import simpleSpawn from "./simple-spawn";
 import sleep from "./sleep";
 
@@ -142,7 +141,11 @@ export default class Dialog extends EventEmitter {
 							"node-zenity",
 						]); // to activate it
 						if (last_position) {
-							const { width, height } = await get_geometry();
+							const geometry = await get_geometry();
+							if (!geometry) {
+								continue;
+							}
+							const { width, height } = geometry;
 							console.log(last_position, width, height);
 							await set_geometry({
 								x: last_position.x - width / 2 - 11,