diff --git a/tests/wscript b/tests/wscript
index 3ac955e..63bcafa 100644
--- a/tests/wscript
+++ b/tests/wscript
@@ -28,7 +28,7 @@
             target='unit-tests-main',
             name='unit-tests-main',
             features='cxx',
-            source=bld.path.ant_glob(['*.cpp']),
+            source=bld.path.ant_glob(['*.cpp', 'utility/*.cpp']),
             use='nlsr-objects',
           )