diff --git a/tst/assertions.go b/tst/assertions.go
index 0dde113..bb13196 100644
--- a/tst/assertions.go
+++ b/tst/assertions.go
@@ -23,7 +23,7 @@ func AssertNotEqual[T comparable](t *testing.T, actual T, expected T) {
 
 func AssertDeepEqual[T any](t *testing.T, actual T, expected T) {
 	t.Helper()
-	if reflect.DeepEqual(actual, expected) {
+	if !reflect.DeepEqual(actual, expected) {
 		t.Errorf("values differ: Actual: '%v', Expected: '%v'", actual, expected)
 	}
 }
@@ -48,7 +48,7 @@ func AssertSetDeepEqual[T any](t *testing.T, actual []T, expected []T) {
 
 func AssertNotDeepEqual[T any](t *testing.T, actual T, expected T) {
 	t.Helper()
-	if !reflect.DeepEqual(actual, expected) {
+	if reflect.DeepEqual(actual, expected) {
 		t.Errorf("values do not differ: Actual: '%v', Expected: '%v'", actual, expected)
 	}
 }