diff --git a/libcrossguid-git/.SRCINFO b/libcrossguid-git/.SRCINFO
index 32f9bf3..6af657c 100644
--- a/libcrossguid-git/.SRCINFO
+++ b/libcrossguid-git/.SRCINFO
@@ -11,6 +11,8 @@ pkgbase = libcrossguid-git
 	provides = libcrossguid
 	conflicts = libcrossguid
 	source = libcrossguid::git+https://github.com/graeme-hill/crossguid.git
-	md5sums = SKIP
+	source = cstdint.diff::https://github.com/graeme-hill/crossguid/pull/67.diff
+	sha256sums = SKIP
+	sha256sums = 17f3cb3951be4e04e53d3a1005339663b98053928715bf216512a01c2fa7e9e9
 
 pkgname = libcrossguid-git
diff --git a/libcrossguid-git/PKGBUILD b/libcrossguid-git/PKGBUILD
index 062ccec..c3d1688 100644
--- a/libcrossguid-git/PKGBUILD
+++ b/libcrossguid-git/PKGBUILD
@@ -10,14 +10,23 @@ license=('MIT')
 makedepends=('git' 'cmake')
 provides=('libcrossguid')
 conflicts=('libcrossguid')
-source=('libcrossguid::git+https://github.com/graeme-hill/crossguid.git')
-md5sums=('SKIP')
+source=(
+  'libcrossguid::git+https://github.com/graeme-hill/crossguid.git'
+  'cstdint.diff::https://github.com/graeme-hill/crossguid/pull/67.diff'
+)
+sha256sums=('SKIP'
+            '17f3cb3951be4e04e53d3a1005339663b98053928715bf216512a01c2fa7e9e9')
 
 pkgver() {
   cd "$srcdir"/libcrossguid
   git describe --long --tags | sed 's/^v//;s/\([^-]*-g\)/r\1/;s/-/./g'
 }
 
+prepare() {
+  cd "$srcdir"/libcrossguid
+  patch -p1 < ../cstdint.diff
+}
+
 build() {
   cd "$srcdir"/libcrossguid
   cmake .