diff --git a/core/api/src/test/java/org/onlab/onos/cluster/MastershipServiceAdapter.java b/core/api/src/test/java/org/onlab/onos/cluster/MastershipServiceAdapter.java
index 4b3b7dc..2e92f5b 100644
--- a/core/api/src/test/java/org/onlab/onos/cluster/MastershipServiceAdapter.java
+++ b/core/api/src/test/java/org/onlab/onos/cluster/MastershipServiceAdapter.java
@@ -40,4 +40,9 @@
     @Override
     public void removeListener(MastershipListener listener) {
     }
+
+    @Override
+    public MastershipTermService requestTermService() {
+        return null;
+    }
 }