diff --git a/gcab-fix-installing-the-includes.patch b/gcab-fix-installing-the-includes.patch
new file mode 100644
index 0000000..d57e9f6
--- /dev/null
+++ b/gcab-fix-installing-the-includes.patch
@@ -0,0 +1,25 @@
+From 150c330de1e65036250a2788a51245e37c7de0f7 Mon Sep 17 00:00:00 2001
+From: Timo Gurr <timo.gurr@gmail.com>
+Date: Thu, 1 Feb 2018 16:16:21 +0100
+Subject: [PATCH] build-sys: fix installing the includes
+
+https://bugzilla.gnome.org/show_bug.cgi?id=793388
+---
+ libgcab/meson.build | 2 +-
+ 1 file changed, 1 insertion(+), 1 deletion(-)
+
+diff --git a/libgcab/meson.build b/libgcab/meson.build
+index 6ff8801..f939617 100644
+--- a/libgcab/meson.build
++++ b/libgcab/meson.build
+@@ -9,7 +9,7 @@ enums = gnome.mkenums(
+   c_template : 'gcab-enums.c.etemplate',
+   h_template : 'gcab-enums.h.etemplate',
+   install_header : true,
+-  install_dir : 'include/libgcab-1.0/libgcab',
++  install_dir : join_paths(get_option('includedir'), 'libgcab-1.0/libgcab'),
+   symbol_prefix : 'gcab',
+   identifier_prefix : 'GCab',
+ )
+--
+libgit2 0.27.0
diff --git a/gcab.changes b/gcab.changes
index 7aa3a74..877a594 100644
--- a/gcab.changes
+++ b/gcab.changes
@@ -1,3 +1,9 @@
+-------------------------------------------------------------------
+Fri May 25 17:57:52 UTC 2018 - bjorn.lie@gmail.com
+
+- Add gcab-fix-installing-the-includes.patch: build-sys: fix
+  installing the includes (bgo#793388).
+
 -------------------------------------------------------------------
 Sat Mar 10 09:17:21 UTC 2018 - jengelh@inai.de
 
diff --git a/gcab.spec b/gcab.spec
index dea1874..598a92d 100644
--- a/gcab.spec
+++ b/gcab.spec
@@ -26,6 +26,8 @@ Url:            http://ftp.gnome.org/pub/GNOME/sources/gcab
 Source0:        http://download.gnome.org/sources/gcab/1.1/%{name}-%{version}.tar.xz
 # PATCH-FIX-UPSTREAM gcab-revert-git-dep.patch bgo#793406 bjorn.lie@gmail.com -- Revert git dependency
 Patch0:         gcab-revert-git-dep.patch
+# PATCH-FIX-UPSTREAM gcab-fix-installing-the-includes.patch bgo#793388 -- build-sys: fix installing the includes
+Patch1:         gcab-fix-installing-the-includes.patch
 BuildRequires:  gtk-doc
 BuildRequires:  meson
 BuildRequires:  pkgconfig
@@ -91,6 +93,7 @@ libgcab.
 	-D docs=true \
 	-D introspection=true \
 	-D tests=false \
+	%{nil}
 %meson_build
 
 %install