--- a/src/devices/spectrum/spectrum-interference-test.cc	Wed Jan 05 20:53:38 2011 -0800
+++ b/src/devices/spectrum/spectrum-interference-test.cc	Mon Jan 10 15:55:29 2011 -0800
@@ -215,6 +215,6 @@
 
 }
 
-SpectrumInterferenceTestSuite spectrumInterferenceTestSuite;
+static SpectrumInterferenceTestSuite spectrumInterferenceTestSuite;
 
 } // namespace ns3