diff --git a/commitizen/config/json_config.py b/commitizen/config/json_config.py
index 725e37a0e..445f2aac5 100644
--- a/commitizen/config/json_config.py
+++ b/commitizen/config/json_config.py
@@ -27,7 +27,7 @@ def set_key(self, key, value):
 
         parser["commitizen"][key] = value
         with open(self.path, "w") as f:
-            json.dump(parser, f)
+            json.dump(parser, f, indent=2)
         return self
 
     def _parse_setting(self, data: Union[bytes, str]):