diff --git a/lib/libpam/modules/pam_radius/pam_radius.c b/lib/libpam/modules/pam_radius/pam_radius.c
index 6a30babd8ca..229e29a5563 100644
--- a/lib/libpam/modules/pam_radius/pam_radius.c
+++ b/lib/libpam/modules/pam_radius/pam_radius.c
@@ -203,7 +203,7 @@ do_challenge(pam_handle_t *pamh, struct rad_handle *radh, const char *user)
 	free(resp[num_msgs-1].resp);
 	free(resp);
 	while (num_msgs > 0)
-		free(__DECONST(char *, msgs[--num_msgs].msg));
+		free(msgs[--num_msgs].msg);
 	return (PAM_SUCCESS);
 }