diff --git a/reframe/frontend/cli.py b/reframe/frontend/cli.py
index 21f2f23ae8..69c9952669 100644
--- a/reframe/frontend/cli.py
+++ b/reframe/frontend/cli.py
@@ -463,7 +463,7 @@ def main():
         help='Use a login shell for job scripts'
     )
     argparser.add_argument(
-        dest='graylog_server',
+        dest='resolve_module_conflicts',
         envvar='RFM_RESOLVE_MODULE_CONFLICTS',
         configvar='general/resolve_module_conflicts',
         action='store_true',