1 files changed, 1 insertions, 1 deletions

diff --git a/lib/afs.m4 b/lib/afs.m4
index 13f3bc96..905ef42a 100644
--- a/lib/afs.m4
+++ b/lib/afs.m4
@@ -3,7 +3,7 @@
 AC_DEFUN(jm_AFS,
   AC_MSG_CHECKING(for AFS)
   if test -d /afs; then
-    AC_DEFINE(AFS, 1, [Define if you have the Andrew File System.])
+    AC_DEFINE_UNQUOTED(AFS, 1, [Define if you have the Andrew File System.])
     ac_result=yes
   else
     ac_result=no