diff --git a/modules/swagger-codegen/src/main/resources/python/api_client.mustache b/modules/swagger-codegen/src/main/resources/python/api_client.mustache
index 9fa64efcca5..04b53afba9b 100644
--- a/modules/swagger-codegen/src/main/resources/python/api_client.mustache
+++ b/modules/swagger-codegen/src/main/resources/python/api_client.mustache
@@ -107,7 +107,7 @@ class ApiClient(object):
                                                     collection_formats)
             for k, v in path_params:
                 resource_path = resource_path.replace(
-                    '{%s}' % k, quote(str(v), safe=""))
+                    '{%s}' % k, quote(str(v), safe=''))  # no safe chars, encode everything
 
         # query parameters
         if query_params: