diff --git a/mino/minoch/address_test.go b/mino/minoch/address_test.go
index f702601ab..bacab9aed 100644
--- a/mino/minoch/address_test.go
+++ b/mino/minoch/address_test.go
@@ -6,8 +6,16 @@ import (
 	"testing/quick"
 
 	"github.com/stretchr/testify/require"
+	"go.dedis.ch/fabric/mino"
 )
 
+func TestAddress_Equal(t *testing.T) {
+	addr := address{id: "A"}
+	require.True(t, addr.Equal(addr))
+	require.False(t, addr.Equal(address{}))
+	require.False(t, addr.Equal(fakeAddress{}))
+}
+
 func TestAddress_MarshalText(t *testing.T) {
 	f := func(id string) bool {
 		addr := address{id: id}
@@ -43,3 +51,10 @@ func TestAddressFactory_FromText(t *testing.T) {
 	err := quick.Check(f, nil)
 	require.NoError(t, err)
 }
+
+//------------------------------------------------------------------------------
+// Utility functions
+
+type fakeAddress struct {
+	mino.Address
+}
diff --git a/mino/minogrpc/mod_test.go b/mino/minogrpc/mod_test.go
index 0ae372e1c..f488fe03f 100644
--- a/mino/minogrpc/mod_test.go
+++ b/mino/minogrpc/mod_test.go
@@ -114,6 +114,13 @@ func Test_MakeRPC(t *testing.T) {
 
 }
 
+func TestAddress_Equal(t *testing.T) {
+	addr := address{id: "A"}
+	require.True(t, addr.Equal(addr))
+	require.False(t, addr.Equal(address{}))
+	require.False(t, addr.Equal(fakeAddress{}))
+}
+
 func TestAddress_MarshalText(t *testing.T) {
 	f := func(id string) bool {
 		addr := address{id: id}
@@ -224,3 +231,7 @@ func (it *fakeAddressIterator) GetNext() mino.Address {
 	it.cursor++
 	return p
 }
+
+type fakeAddress struct {
+	mino.Address
+}