diff --git a/addons/thunderbird/plugin/tiny_plugin-2.0.xpi b/addons/thunderbird/plugin/tiny_plugin-2.0.xpi
old mode 100755
new mode 100644
index 7fb57818c15..57fa5ac8104
Binary files a/addons/thunderbird/plugin/tiny_plugin-2.0.xpi and b/addons/thunderbird/plugin/tiny_plugin-2.0.xpi differ