diff --git a/mobile/scripts/add-share-extension.rb b/mobile/scripts/add-share-extension.rb
index 6f292e6..e6f0c70 100644
--- a/mobile/scripts/add-share-extension.rb
+++ b/mobile/scripts/add-share-extension.rb
@@ -20,7 +20,7 @@
 require 'xcodeproj'
 require 'fileutils'
 
-ROOT       = File.expand_path('../..', __dir__)                       # repo/mobile
+ROOT       = File.expand_path('..', __dir__)                          # repo/mobile (this script is in mobile/scripts)
 PROJECT    = File.join(ROOT, 'ios', 'App', 'App.xcodeproj')
 SRC_DIR    = File.join(ROOT, 'ios-share')                              # our checked-in extension sources
 APP_DIR    = File.join(ROOT, 'ios', 'App')