diff --git a/meson.build b/meson.build
index e6ca45c..acaecc9 100644
--- a/meson.build
+++ b/meson.build
@@ -166,6 +166,7 @@ pkgconfig_configuration.set('prefix', get_option('prefix'))
 pkgconfig_configuration.set('includedir', '${prefix}/@0@'.format(get_option('includedir')))
 pkgconfig_configuration.set('datarootdir', '${prefix}/@0@'.format(get_option('datadir')))
 pkgconfig_configuration.set('abs_top_srcdir', wayland_protocols_srcdir)
+pkgconfig_configuration.set('abs_top_includedir', join_paths(meson.current_build_dir(), get_option('includedir'), 'wayland-protocols'))
 pkgconfig_configuration.set('PACKAGE', 'wayland-protocols')
 pkgconfig_configuration.set('WAYLAND_PROTOCOLS_VERSION', wayland_protocols_version)
 
diff --git a/wayland-protocols-uninstalled.pc.in b/wayland-protocols-uninstalled.pc.in
index cf7adf2..8bc16b3 100644
--- a/wayland-protocols-uninstalled.pc.in
+++ b/wayland-protocols-uninstalled.pc.in
@@ -1,3 +1,4 @@
+includedir=@abs_top_includedir@
 pkgdatadir=@abs_top_srcdir@
 
 Name: Wayland Protocols