diff --git a/tests/wscript b/tests/wscript
index b47447b..0b08cc0 100644
--- a/tests/wscript
+++ b/tests/wscript
@@ -22,6 +22,7 @@
             target='../unit-tests',
             features='cxx cxxprogram',
             source=bld.path.ant_glob(['*.cpp',
+                                      'unit-tests/dummy-forwarder.cpp',
                                       'unit-tests/sync-*.t.cpp',
                                       ],
                                      excl=['main.cpp']),