diff --git a/main.js b/main.js
index 1f4d0d0db2..8fda06b3bc 100644
--- a/main.js
+++ b/main.js
@@ -533,6 +533,7 @@ async function showSettingsWindow() {
   const options = {
     width: Math.min(500, size[0]),
     height: Math.max(size[1] - 100, MIN_HEIGHT),
+    frame: false,
     resizable: false,
     title: locale.messages.signalDesktopPreferences.message,
     autoHideMenuBar: true,