diff --git a/include/meson.build b/include/meson.build
index f764f1547..270d2f397 100644
--- a/include/meson.build
+++ b/include/meson.build
@@ -339,7 +339,7 @@ xkb_data.set_quoted('XKB_DFLT_MODEL', get_option('xkb_default_model'))
 xkb_data.set_quoted('XKB_DFLT_LAYOUT', get_option('xkb_default_layout'))
 xkb_data.set_quoted('XKB_DFLT_VARIANT', get_option('xkb_default_variant'))
 xkb_data.set_quoted('XKB_DFLT_OPTIONS', get_option('xkb_default_options'))
-xkb_data.set_quoted('XKM_OUTPUT_DIR', xkb_output_dir)
+xkb_data.set_quoted('XKM_OUTPUT_DIR', xkb_output_dir + '/')
 
 configure_file(output : 'xkb-config.h',
                configuration : xkb_data)