diff --git a/realhf/apps/quickstart.py b/realhf/apps/quickstart.py
index 9a28b6a..a3fdfd4 100644
--- a/realhf/apps/quickstart.py
+++ b/realhf/apps/quickstart.py
@@ -64,8 +64,8 @@ def main():
     launch_hydra_task(args["cmd"], experiment_name, trial_name, QUICKSTART_FN[args["cmd"]])
 
 
-def prepare_hydra_config(name: str, PROLOGUE_path: str):
-    config = OmegaConf.load(PROLOGUE_path)
+def prepare_hydra_config(name: str, prologue_path: str):
+    config = OmegaConf.load(prologue_path)
     experiment_name = get_experiment_name(config.get("experiment_name"))
     trial_name = get_trial_name(config.get("trial_name"))
     config_dir = f"{cluster_spec.fileroot}/configs/{getpass.getuser()}/{experiment_name}/{trial_name}"
diff --git a/realhf/base/prologue.py b/realhf/base/prologue.py
index 76c602d..f0a2242 100644
--- a/realhf/base/prologue.py
+++ b/realhf/base/prologue.py
@@ -19,9 +19,9 @@ def global_init():
     args = vars(parser.parse_known_args()[0])
     if args[PROLOGUE_FLAG_VAR_NAME] is None:
         return
-    PROLOGUE_path = args[PROLOGUE_FLAG_VAR_NAME]
+    prologue_path = args[PROLOGUE_FLAG_VAR_NAME]
 
-    config = OmegaConf.load(PROLOGUE_path)
+    config = OmegaConf.load(prologue_path)
     external_configs = config.get(PROLOGUE_EXTERNAL_CONFIG_NAME)
 
     if external_configs is None: