diff --git a/rpc/server_test.go b/rpc/server_test.go
index a4ca1fde43..99cca26ddf 100644
--- a/rpc/server_test.go
+++ b/rpc/server_test.go
@@ -45,7 +45,7 @@ func TestServerRegisterName(t *testing.T) {
 		t.Fatalf("Expected service calc to be registered")
 	}
 
-	wantCallbacks := 7
+	wantCallbacks := 8
 	if len(svc.callbacks) != wantCallbacks {
 		t.Errorf("Expected %d callbacks for service 'service', got %d", wantCallbacks, len(svc.callbacks))
 	}