diff --git a/meson.build b/meson.build
index 7424e17..4f82d56 100644
--- a/meson.build
+++ b/meson.build
@@ -160,6 +160,7 @@ wayland_protocols_srcdir = meson.current_source_dir()
 
 pkgconfig_configuration = configuration_data()
 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('PACKAGE', 'wayland-protocols')
diff --git a/wayland-protocols.pc.in b/wayland-protocols.pc.in
index 4571fa8..ae725d2 100644
--- a/wayland-protocols.pc.in
+++ b/wayland-protocols.pc.in
@@ -1,4 +1,5 @@
 prefix=@prefix@
+includedir=@includedir@
 datarootdir=@datarootdir@
 pkgdatadir=${pc_sysrootdir}${datarootdir}/@PACKAGE@