diff --git a/cfg_checker/common/log.py b/cfg_checker/common/log.py
index 6edac2f..4c1c02c 100644
--- a/cfg_checker/common/log.py
+++ b/cfg_checker/common/log.py
@@ -91,6 +91,6 @@
     'cfg_checker',
     log_fname=os.path.join(
         pkg_dir,
-        os.getenv('LOGFILE', 'cfg_checker.log')
+        os.getenv('MCP_LOGFILE', 'cfg_checker.log')
     )
 )