diff --git a/src/cfgparse.c b/src/cfgparse.c
index e04eff8..3c3383d 100644
--- a/src/cfgparse.c
+++ b/src/cfgparse.c
@@ -3792,7 +3792,7 @@
 					curproxy->options2 |= PR_O2_CLFLOG;
 					logformat = clf_http_log_format;
 				} else {
-					Alert("parsing [%s:%d] : keyword '%s' only supports option 'clf'.\n", file, linenum, args[2]);
+					Alert("parsing [%s:%d] : keyword '%s' only supports option 'clf'.\n", file, linenum, args[1]);
 					err_code |= ERR_ALERT | ERR_FATAL;
 					goto out;
 				}