diff --git a/pkgbuild/cairo-compmgr/PKGBUILD b/pkgbuild/cairo-compmgr/PKGBUILD
index 565b5f5..38f1330 100644
--- a/pkgbuild/cairo-compmgr/PKGBUILD
+++ b/pkgbuild/cairo-compmgr/PKGBUILD
@@ -9,7 +9,7 @@
 
 pkgname=cairo-compmgr
 pkgver=0.3.1
-pkgrel=5
+pkgrel=6
 epoch=2
 pkgdesc="A Cairo based composite manager"
 arch=(i686 x86_64)
@@ -22,14 +22,20 @@ options=(!libtool)
 source=(https://github.com/downloads/gandalfn/Cairo-Composite-Manager/$pkgname-$pkgver.tar.bz2)
 md5sums=('4ef285e0735b1a61b5db2205a2d8f8b3')
 
+prepare() {
+  cd "$srcdir/$pkgname-$pkgver"
+
+  #patch for compatibility with vala 0.22
+  sed -i 's!libvala-0.16!libvala-0.22!' configure.ac
+  sed -i 's!libvala-0.16!libvala-0.22!' vapi/cairo-compmgr.deps
+
+  #patch for libiberty path bug
+  sed -i 's!<libiberty.h>!<libiberty/libiberty.h>!' src/ccm-debug.c
+}
 
 build() {
   cd "$srcdir/$pkgname-$pkgver"
 
-  #patch for compatibility with vala 0.22 (extra)
-  sed -i 's!libvala-0.16!libvala-0.22!' configure.ac
-  sed -i 's!libvala-0.16!libvala-0.22!' vapi/cairo-compmgr.deps
-
   ./autogen.sh --prefix=/usr LIBS="-ldl -lgmodule-2.0 -lz"
   make