diff --git a/testequal/assertions_test.go b/testequal/assertions_test.go
index 545c906..5e62b55 100644
--- a/testequal/assertions_test.go
+++ b/testequal/assertions_test.go
@@ -67,12 +67,14 @@ func TestNotEqual(t *testing.T) {
 		{expected: []int{1, 2, 3, 4}, actual: []int{1, 2, 3}},
 		{expected: []int{}, actual: []interface{}{}},
 		{expected: []int{}, actual: *new([]int)},
+		{expected: []int{}, actual: map[int]int{}},
 		{expected: map[string]string{"a": "b"}, actual: map[string]string{}},
 		{expected: map[string]string{"a": "b"}, actual: map[string]string{"a": "d"}},
 		{expected: map[string]string{"a": "b"}, actual: map[string]string{"a": "b", "c": "b"}},
 		{expected: map[string]string{"a": "b", "c": "b"}, actual: map[string]string{"a": "b"}},
 		{expected: map[string]string{"a": "b"}, actual: map[string]interface{}{"a": "b"}},
 		{expected: map[string]string{}, actual: *new(map[string]string)},
+		{expected: map[int]int{}, actual: []int{}},
 		{expected: []byte{}, actual: *new([]byte)},
 		{expected: []byte{}, actual: nil},
 		{expected: *new([]byte), actual: nil},