diff --git a/configure.in b/configure.in
index 724fd8538..1225327ff 100644
--- a/configure.in
+++ b/configure.in
@@ -102,8 +102,8 @@ ARG_ENABL_SET([load-tests],     [enable load testing plugin for IKEv2 daemon.])
 ARG_ENABL_SET([eap-sim],        [enable SIM authenication module for EAP.])
 ARG_ENABL_SET([eap-sim-file],   [enable EAP-SIM backend based on a triplet file.])
 ARG_ENABL_SET([eap-identity],   [enable EAP module providing EAP-Identity helper.])
-ARG_ENABL_SET([enable-eap-md5], [enable EAP MD5 (CHAP) authenication module.])
-ARG_ENABL_SET([enable-eap-gtc], [enable PAM based EAP GTC authenication module.])
+ARG_ENABL_SET([eap-md5],        [enable EAP MD5 (CHAP) authenication module.])
+ARG_ENABL_SET([eap-gtc],        [enable PAM based EAP GTC authenication module.])
 ARG_ENABL_SET([eap-aka],        [enable EAP AKA authentication module.])
 ARG_ENABL_SET([eap-mschapv2],   [enable EAP MS-CHAPv2 authenication module.])
 ARG_ENABL_SET([eap-radius],     [enable RADIUS proxy authenication module.])