diff --git a/package.json b/package.json
index dd8404e..1d7b67e 100644
--- a/package.json
+++ b/package.json
@@ -22,7 +22,7 @@
       "oneClick": true,
       "perMachine": true,
       "allowElevation": true,
-      "allowToChangeInstallationDirectory": true,
+      "allowToChangeInstallationDirectory": false,
       "createDesktopShortcut": true,
       "createStartMenuShortcut": true,
       "shortcutName": "Imgfloat"