diff --git a/debian/patches/FindTCL_fix_#600245.diff b/debian/patches/FindTCL_fix_#600245.diff
index 371697b57..6db9fedb7 100644
--- a/debian/patches/FindTCL_fix_#600245.diff
+++ b/debian/patches/FindTCL_fix_#600245.diff
@@ -4,6 +4,7 @@ Description: FindTCL.cmake switches variables in the FIND_LIBRARY invocation.
  This patch reverses that into the right usage. (Closes: #600245)
 Last-Update: 2010-11-27
 Origin: vendor
+Forwarded: http://cmake.org/Bug/view.php?id=11528
 ---
  Modules/FindTCL.cmake |    4 ++--
  1 file changed, 2 insertions(+), 2 deletions(-)