--- a/src/spectrum/wscript	Thu Mar 24 15:13:57 2011 -0700
+++ b/src/spectrum/wscript	Thu Mar 24 16:46:49 2011 -0700
@@ -30,6 +30,10 @@
         'helper/adhoc-aloha-noack-ideal-phy-helper.cc',
         'helper/waveform-generator-helper.cc',
         'helper/spectrum-analyzer-helper.cc',
+        ]
+
+    module_test = bld.create_ns3_module_test_library('spectrum')
+    module_test.source = [
         'test/spectrum-interference-test.cc',
         'test/spectrum-value-test.cc',
         ]