diff --git a/xcode/commonFastfile b/xcode/commonFastfile
index 5a6ad82..950a2d8 100644
--- a/xcode/commonFastfile
+++ b/xcode/commonFastfile
@@ -429,11 +429,12 @@ end
 
 # Build phases
 
-def run_code_generation_phase_if_needed()
+def run_code_generation_phase_if_needed(options)
   code_generation_script_path = File.expand_path "../.githooks/scripts/CodeGen.sh"
+  xcodeproj_path = File.expand_path options[:xcodeproj_path]
 
   if File.exists? code_generation_script_path
-    sh(code_generation_script_path)
+    sh("code_generation_script_path ${xcodeproj_path}")
   end
 
 end