diff --git a/openapi-generator/templates/python/api_client.mustache b/openapi-generator/templates/python/api_client.mustache
index 47ede519..07433dd0 100644
--- a/openapi-generator/templates/python/api_client.mustache
+++ b/openapi-generator/templates/python/api_client.mustache
@@ -294,13 +294,13 @@ class ApiClient(object):
             return None
 
         if type(klass) == str:
-            if klass.startswith('list['):
-                sub_kls = re.match(r'list\[(.*)\]', klass).group(1)
+            if klass.startswith('List['):
+                sub_kls = re.match(r'List\[(.*)\]', klass).group(1)
                 return [self.__deserialize(sub_data, sub_kls)
                         for sub_data in data]
 
-            if klass.startswith('dict('):
-                sub_kls = re.match(r'dict\(([^,]*), (.*)\)', klass).group(2)
+            if klass.startswith('Dict('):
+                sub_kls = re.match(r'Dict\(([^,]*), (.*)\)', klass).group(2)
                 return {k: self.__deserialize(v, sub_kls)
                         for k, v in six.iteritems(data)}