diff --git a/extra/opencv/PKGBUILD b/extra/opencv/PKGBUILD
index 36147ad0e..4620f7213 100644
--- a/extra/opencv/PKGBUILD
+++ b/extra/opencv/PKGBUILD
@@ -13,7 +13,7 @@ pkgname=('opencv' 'opencv-docs' 'opencv-samples')
 _realname=OpenCV
 pkgver=2.3.1_a
 _realver=2.3.1
-pkgrel=2
+pkgrel=3
 pkgdesc="Open Source Computer Vision Library"
 arch=('i686' 'x86_64')
 license=('BSD')
@@ -104,6 +104,10 @@ package_opencv-docs() {
 
   mkdir -p "$pkgdir/usr/share/doc"
   cp -r opencv-doc "$pkgdir/usr/share/doc/opencv"
+
+  # install license file
+  install -Dm644 "$srcdir/$_realname-$_realver/doc/license.txt" \
+    "$pkgdir/usr/share/licenses/$pkgname/LICENSE"
 }
 
 package_opencv-samples() {
@@ -116,6 +120,9 @@ package_opencv-samples() {
 
   mkdir -p "$pkgdir/usr/share/opencv"
   cp -r opencv-samples "$pkgdir/usr/share/opencv/samples"
+
+  install -Dm644 "$srcdir/$_realname-$_realver/doc/license.txt" \
+    "$pkgdir/usr/share/licenses/$pkgname/LICENSE"
 }
 
 # vim:set ts=2 sw=2 et: