diff --git a/configure.in b/configure.in
index dbbc1e38e..aef6a486d 100644
--- a/configure.in
+++ b/configure.in
@@ -35,6 +35,12 @@ AC_ARG_WITH(
     [AC_DEFINE_UNQUOTED(PKCS11_DEFAULT_LIB, "/usr/lib/opensc-pkcs11.so")]
 )
 
+AC_ARG_WITH(
+    [default-xauth],
+    AS_HELP_STRING([--with-xauth-module=lib],[set the path to the XAUTH module]),
+    [AC_DEFINE_UNQUOTED(XAUTH_DEFAULT_LIB, "$withval")],
+)
+
 AC_ARG_WITH(
     [random-device],
     AS_HELP_STRING([--with-random-device=dev],[set the device for real random data other than /dev/random]),