diff --git a/tests/meson.build b/tests/meson.build
index 73846f6..2bf9dfb 100644
--- a/tests/meson.build
+++ b/tests/meson.build
@@ -40,6 +40,7 @@
             'src/test_report_manager.cpp',
             'src/test_sensor.cpp',
             'src/test_sensor_cache.cpp',
+            'src/test_transform.cpp',
             'src/test_unique_call.cpp',
             'src/utils/generate_unique_mock_id.cpp',
         ],