diff --git a/axion/handler/analysis/__init__.py b/axion/handler/analysis/__init__.py
index 727d8bee..4cd4322d 100644
--- a/axion/handler/analysis/__init__.py
+++ b/axion/handler/analysis/__init__.py
@@ -54,9 +54,9 @@ def analyze(
 
         if signature:
             logger.opt(record=True).error(
-                'Unconsumed arguments [{args}] detected in {op_id} handler signature',
+                'Unconsumed arguments [{f_args}] detected in {op_id} handler signature',
                 op_id=operation.id,
-                args=', '.join(arg_key for arg_key in signature.keys()),
+                f_args=', '.join(arg_key for arg_key in signature.keys()),
             )
             errors.update(
                 exceptions.Error(
diff --git a/tests/conftest.py b/tests/conftest.py
index 4632ebcb..102accbe 100644
--- a/tests/conftest.py
+++ b/tests/conftest.py
@@ -34,11 +34,10 @@ def emit(self, record: logging.LogRecord) -> None:
             logging.getLogger(record.name).handle(record)
 
     logger.enable('axion')
-
-    logger.add(
+    handler_id = logger.add(
         LoguruHandler(),
         format='{message}',
     )
     yield caplog
-
+    logger.remove(handler_id)
     logger.disable('axion')