diff --git a/project.py b/project.py
index 222cbdd..7c19d5f 100644
--- a/project.py
+++ b/project.py
@@ -380,6 +380,7 @@ class Project():
     def create_user_config(self):
         if self.is_wokwi():
             self.fetch_wokwi_files()
+        self.check_ports()
         logging.info("creating include file")
         filename = 'user_config.tcl'
         with open(os.path.join(self.local_dir, 'src', filename), 'w') as fh:
diff --git a/tt_tool.py b/tt_tool.py
index 801e111..364666d 100755
--- a/tt_tool.py
+++ b/tt_tool.py
@@ -62,7 +62,6 @@ if __name__ == '__main__':
         project.print_wokwi_id()
 
     if args.create_user_config:
-        project.check_ports()
         project.create_user_config()
 
     if args.harden: