diff --git a/src/wifi/test/wifi-aggregation-test.cc b/src/wifi/test/wifi-aggregation-test.cc
index 8961c4e83..701834ecb 100644
--- a/src/wifi/test/wifi-aggregation-test.cc
+++ b/src/wifi/test/wifi-aggregation-test.cc
@@ -246,6 +246,7 @@ AmpduAggregationTest::DoRun (void)
   m_edca->Dispose ();
   m_edca = 0;
 
+  m_dcfManager->Dispose ();
   m_dcfManager = 0;
 }