diff --git a/electron/js/preload.js b/electron/js/preload.cjs
similarity index 100%
rename from electron/js/preload.js
rename to electron/js/preload.cjs
diff --git a/electron/js/window.js b/electron/js/window.js
index 0a77aeab6f..8ef1aad244 100644
--- a/electron/js/window.js
+++ b/electron/js/window.js
@@ -28,7 +28,7 @@ class WindowManager {
 			show: false,
 			titleBarStyle: 'hidden-inset',
 			webPreferences: {
-				preload: fixPathForAsarUnpack(path.join(Util.electronPath(), 'js', 'preload.js')),
+				preload: fixPathForAsarUnpack(path.join(Util.electronPath(), 'js', 'preload.cjs')),
 			},
 		}, param);
 
diff --git a/package.json b/package.json
index 2c5768fd1c..d478d40bf5 100644
--- a/package.json
+++ b/package.json
@@ -198,7 +198,7 @@
 			"dist/js/**/*",
 			"electron/img/*",
 			"electron/img/icons/*",
-			"electron/js/preload.js",
+			"electron/js/preload.cjs",
 			"build",
 			"node_modules/keytar/build/Release/keytar.node",
 			"node_modules/lodash.isequal",