diff --git a/libs/ardour/wscript b/libs/ardour/wscript
index 5c4b383b9c..cfb4cd3b6e 100644
--- a/libs/ardour/wscript
+++ b/libs/ardour/wscript
@@ -540,7 +540,7 @@ def build(bld):
                                    'test/dummy_lxvst.cc', 'test/audio_region_test.cc', 'test/test_util.cc', 'test/test_ui.cc']
         testcommon.uselib       = ['CPPUNIT','SIGCPP','GLIBMM','GTHREAD', 'OSX', 'FFTW3F',
                                    'SAMPLERATE','XML','LRDF','COREAUDIO','TAGLIB','VAMPSDK','VAMPHOSTSDK','RUBBERBAND']
-        testcommon.use          = ['libpbd', 'libmidipp', 'libevoral', 'libaudiographer', 'libardour']
+        testcommon.use          = ['libpbd', 'libmidipp', 'libevoral', 'libaudiographer', 'libardour', 'libardour_cp']
         if bld.is_defined('USE_EXTERNAL_LIBS'):
             testcommon.uselib.extend(['LIBLTC', 'LIBFLUIDSYNTH'])
         else: