diff --git a/revid/senders_test.go b/revid/senders_test.go
index a5478899..15af7a1d 100644
--- a/revid/senders_test.go
+++ b/revid/senders_test.go
@@ -249,3 +249,19 @@ func TestMtsSenderDiscontinuity(t *testing.T) {
 		t.Fatalf("Did not get discontinuity indicator for PAT")
 	}
 }
+
+// TestNewMultiSender checks that newMultiSender performs as expected when an
+// active function is not provided, and when an active function is provided.
+func TestNewMultiSender(t *testing.T) {
+	// First test without giving an 'active' function.
+	_, err := newMultiSender(nil, false, nil)
+	if err == nil {
+		t.Error("did not get expected error on creation of multiSender without active function")
+	}
+
+	// Now test with providing an active function
+	_, err = newMultiSender(nil, false, func() bool { return true })
+	if err != nil {
+		t.Errorf("did not expect to get error on creation of multiSender with active func provided, err: %v", err)
+	}
+}