diff --git a/cmix/nodes/registrar_test.go b/cmix/nodes/registrar_test.go
index 922adfad68bc2b52f999a92561c834803be4f16b..55b684495decc278b4eb3147c3b0398676879901 100644
--- a/cmix/nodes/registrar_test.go
+++ b/cmix/nodes/registrar_test.go
@@ -38,7 +38,7 @@ func TestLoadRegistrar_New(t *testing.T) {
 	nodeChan := make(chan commNetwork.NodeGateway, InputChanLen)
 
 	r, err := LoadRegistrar(session, sender, &MockClientComms{},
-		rngGen, nodeChan)
+		rngGen, nodeChan, func() int { return 100 })
 	if err != nil {
 		t.Fatalf("Failed to create new registrar: %+v", err)
 	}
@@ -71,7 +71,7 @@ func TestLoadRegistrar_Load(t *testing.T) {
 
 	// Load the store and check its attributes
 	r, err := LoadRegistrar(
-		testR.session, testR.sender, testR.comms, testR.rng, testR.c)
+		testR.session, testR.sender, testR.comms, testR.rng, testR.c, func() int { return 100 })
 	if err != nil {
 		t.Fatalf("Unable to load store: %+v", err)
 	}
diff --git a/cmix/nodes/utils_test.go b/cmix/nodes/utils_test.go
index 96eacda72794e3f66c1b4513e7f359624cf0cbe1..9f9657db116623508c86db323425feaf293982a9 100644
--- a/cmix/nodes/utils_test.go
+++ b/cmix/nodes/utils_test.go
@@ -101,7 +101,7 @@ func makeTestRegistrar(mockComms *MockClientComms, t *testing.T) *registrar {
 	nodeChan := make(chan commNetwork.NodeGateway, InputChanLen)
 
 	r, err := LoadRegistrar(
-		session, sender, mockComms, rngGen, nodeChan)
+		session, sender, mockComms, rngGen, nodeChan, func() int { return 100 })
 	if err != nil {
 		t.Fatalf("Failed to create new registrar: %+v", err)
 	}