diff --git a/ChangeLog b/ChangeLog
index d7f5771d5109442a08f886312146ed270b558c38..f7ce819aaab0178d570af277e6ee124c6400f8c3 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,7 @@
+2013-06-16  Niels Möller  <nisse@lysator.liu.se>
+
+	* configure.ac: Updated liboop URL.
+
 2012-08-23  Niels Möller  <nisse@lysator.liu.se>
 
 	* src/algorithms.c (list_kex_algorithms): Typo fix in message.
diff --git a/configure.ac b/configure.ac
index 8e87c617289403b483b0dfa9d2f142281cfc5206..a42d4ad1bcfc0aed683ad6d735f0f4966fb4460e 100644
--- a/configure.ac
+++ b/configure.ac
@@ -429,7 +429,7 @@ AC_CHECK_LIB(hogweed, nettle_dsa_sha1_sign, [true],
 LSH_RPATH_FIX
 
 AC_CHECK_LIB([oop], [oop_sys_new],,
-  [AC_MSG_ERROR([liboop is missing. Get liboop from http://liboop.ofb.net])])
+  [AC_MSG_ERROR([liboop is missing. Get liboop from http://www.lysator.liu.se/liboop/.])])
 
 LSH_RPATH_FIX