diff --git a/test/meson.build b/test/meson.build
index 6630893..a9da8b9 100644
--- a/test/meson.build
+++ b/test/meson.build
@@ -7,6 +7,7 @@
 tests_lib = static_library(
   'common',
   'common.cpp',
+  'helper.cpp',
   implicit_include_directories: false,
   dependencies: tests_pre)