diff --git a/pkg/encoding/address/address_test.go b/pkg/encoding/address/address_test.go
index d5b25f50c..b9bf1f488 100644
--- a/pkg/encoding/address/address_test.go
+++ b/pkg/encoding/address/address_test.go
@@ -4,6 +4,7 @@ import (
 	"testing"
 
 	"github.com/stretchr/testify/assert"
+	"github.com/stretchr/testify/require"
 )
 
 func TestUint160DecodeEncodeAddress(t *testing.T) {
@@ -32,3 +33,18 @@ func TestUint160DecodeKnownAddress(t *testing.T) {
 	assert.Equal(t, "b28427088a3729b2536d10122960394e8be6721f", val.StringLE())
 	assert.Equal(t, "1f72e68b4e39602912106d53b229378a082784b2", val.String())
 }
+
+func TestUint160DecodeBadBase58(t *testing.T) {
+	address := "AJeAEsmeD6t279Dx4n2HWdUvUmmXQ4iJv@"
+
+	_, err := DecodeUint160(address)
+	require.Error(t, err)
+}
+
+func TestUint160DecodeBadPrefix(t *testing.T) {
+	// The same AJeAEsmeD6t279Dx4n2HWdUvUmmXQ4iJvP key encoded with 0x18 prefix.
+	address := "AhymDz4vvHLtvaN36CMbzkki7H2U8ENb8F"
+
+	_, err := DecodeUint160(address)
+	require.Error(t, err)
+}