diff --git a/libs/opencv/BUILD b/libs/opencv/BUILD
index e13b814a9d0..595ccc5063b 100644
--- a/libs/opencv/BUILD
+++ b/libs/opencv/BUILD
@@ -1,5 +1,7 @@
 (
 
+  patch_it $SOURCE_CACHE/$SOURCE2 1 &&
+
   default_cmake_build &&
 
 # It doesn't install these binaries
diff --git a/libs/opencv/DETAILS b/libs/opencv/DETAILS
index 1d557ac9544..92c85bbd474 100644
--- a/libs/opencv/DETAILS
+++ b/libs/opencv/DETAILS
@@ -1,9 +1,12 @@
           MODULE=opencv
          VERSION=2.4.1
           SOURCE=OpenCV-$VERSION.tar.bz2
+         SOURCE2=opencv-2.4.0-fix-pkgconfig.patch
       SOURCE_URL=$SFORGE_URL/opencvlibrary
+     SOURCE2_URL=http://code.opencv.org/attachments/download/721/
 SOURCE_DIRECTORY=$BUILD_DIRECTORY/OpenCV-$VERSION
       SOURCE_VFY=sha1:bc6f23c62c8e3e0746f6f95067d54340d12aed56
+     SOURCE2_VFY=sha1:a937bf1d96f453aebc4b1b988b474fd9cb45eb34
         WEB_SITE=http://opencv.willowgarage.com/wiki
          ENTERED=20050404
          UPDATED=20120607