diff --git a/pdb/meson.build b/pdb/meson.build
index 66997ae21b..1df5897bfd 100644
--- a/pdb/meson.build
+++ b/pdb/meson.build
@@ -138,7 +138,7 @@ if meson.version().version_compare('>=0.57.0')
     output: [ 'stamp-pdbgen.h', ],
     env: perl_env,
     command: [
-      pdbgen_run, perl, meson.source_root(), meson.build_root()
+      pdbgen_run, perl, meson.project_source_root(), meson.project_build_root()
     ],
   )
 
diff --git a/po-tips/meson.build b/po-tips/meson.build
index e0e1fd34ef..c9a9e30bef 100644
--- a/po-tips/meson.build
+++ b/po-tips/meson.build
@@ -2,5 +2,5 @@ potips_dir = meson.current_source_dir()
 i18n.gettext(gettext_package + '-tips',
   preset: 'glib',
   install: false,
-  data_dirs: meson.project_source_root() / 'data' / 'tips',
+  data_dirs: meson.source_root() / 'data' / 'tips',
 )