diff --git a/setup.py b/setup.py
index e8159b0..565b047 100755
--- a/setup.py
+++ b/setup.py
@@ -73,10 +73,13 @@ def get_list_files(basedir, targetdir):
         return_list.append((os.path.join(targetdir, subpath), files_list))
     return return_list
 
+# add static files and templates in the list of thing to deploy
 resources_files = get_list_files('resources', 
     os.path.join(datarootdir, 'share', 'ldapcherry'))
 
-resources_files.append((
+# add the configuration files if they don't exist
+if not os.path.exists(os.path.join(sysconfdir, 'ldapcherry')):
+    resources_files.append((
         os.path.join(sysconfdir, 'ldapcherry'),
         [ 'conf/ldapcherry.ini', 'conf/attributes.yml', 'conf/roles.yml']
     ))