diff --git a/doc/meson.build b/doc/meson.build
index c66f864..d78f7c7 100644
--- a/doc/meson.build
+++ b/doc/meson.build
@@ -1,5 +1,5 @@
-cdata.set('TOP_SRCDIR', meson.source_root())
-cdata.set('TOP_BUILDDIR', meson.build_root())
+cdata.set('TOP_SRCDIR', meson.project_source_root())
+cdata.set('TOP_BUILDDIR', meson.project_build_root())
 
 doxyfile = configure_file(input: 'doxygen.conf.in',
     output: 'doxygen.conf',