diff --git a/screenshot-tests/meson.build b/screenshot-tests/meson.build
index f32c55f..3d2f0eb 100644
--- a/screenshot-tests/meson.build
+++ b/screenshot-tests/meson.build
@@ -25,7 +25,7 @@ testexe = executable('screenshot-tests', test_sources,
                      dependencies: [catch2.get_variable('catch2_dep'), eigen_dep],
                      install: false)
 
-test('Screenshots', testexe, workdir: meson.source_root())
+test('Screenshots', testexe, workdir: meson.project_source_root())
 
 run_target('update_screenshots',
         command: './update_screenshots.sh')
diff --git a/tests/meson.build b/tests/meson.build
index d3b6713..7feca23 100644
--- a/tests/meson.build
+++ b/tests/meson.build
@@ -20,4 +20,4 @@ testexe = executable('unit-tests', test_sources,
                      install: false)
 
 
-test('Unittests', testexe, workdir: meson.source_root())
+test('Unittests', testexe, workdir: meson.project_source_root())