diff --git a/cf/osfc2.m4 b/cf/osfc2.m4
index 025f8c905..a83fc577a 100644
--- a/cf/osfc2.m4
+++ b/cf/osfc2.m4
@@ -2,13 +2,13 @@ dnl $Id$
 dnl
 dnl enable OSF C2 stuff
 
-AC_DEFUN(AC_CHECK_OSFC2,
+AC_DEFUN(AC_CHECK_OSFC2,[
 AC_ARG_ENABLE(osfc2,
-[  --enable-osfc2          enable some OSF C2 support],
+[  --enable-osfc2          enable some OSF C2 support])
 LIB_security=
 if test "$enable_osfc2" = yes; then
 	AC_DEFINE(HAVE_OSFC2, 1, [Define to enable basic OSF C2 support.])
 	LIB_security=-lsecurity
-fi)
-AC_SUBST(LIB_security)dnl
-)
+fi
+AC_SUBST(LIB_security)
+])