diff --git a/meson.build b/meson.build
index 6fa253f7..b6dc2370 100644
--- a/meson.build
+++ b/meson.build
@@ -254,9 +254,9 @@ pkgconf = configuration_data()
 
 pkgconf.set('prefix', get_option('prefix'))
 pkgconf.set('exec_prefix', '${prefix}')
-pkgconf.set('libdir', '${prefix}/@0@'.format(get_option('libdir')))
-pkgconf.set('includedir', '${prefix}/@0@'.format(get_option('includedir')))
-pkgconf.set('pkgincludedir', '${prefix}/@0@'.format(get_option('includedir')) + '/libdwarf')
+pkgconf.set('libdir', join_paths('${prefix}','@0@'.format(get_option('libdir'))))
+pkgconf.set('includedir', join_paths('${prefix}','@0@'.format(get_option('includedir'))))
+pkgconf.set('pkgincludedir', join_paths('${prefix}','@0@'.format(get_option('includedir')),'/libdwarf'))
 pkgconf.set('VMAJ', v_maj)
 pkgconf.set('PACKAGE_VERSION', meson.project_version())
 pkgconf.set('PROJECT_VERSION', meson.project_version())