diff --git a/src/log/slog/level_test.go b/src/log/slog/level_test.go
index e4f56f3c7e..19adcd8466 100644
--- a/src/log/slog/level_test.go
+++ b/src/log/slog/level_test.go
@@ -53,13 +53,13 @@ func TestLevelVar(t *testing.T) {
 
 func TestLevelMarshalJSON(t *testing.T) {
 	want := LevelWarn - 3
-	want_data := []byte(`"INFO+1"`)
+	wantData := []byte(`"INFO+1"`)
 	data, err := want.MarshalJSON()
 	if err != nil {
 		t.Fatal(err)
 	}
-	if !bytes.Equal(data, want_data) {
-                t.Errorf("got %s, want %s", string(data), string(want_data))
+	if !bytes.Equal(data, wantData) {
+                t.Errorf("got %s, want %s", string(data), string(wantData))
         }
 	var got Level
 	if err := got.UnmarshalJSON(data); err != nil {
@@ -72,13 +72,13 @@ func TestLevelMarshalJSON(t *testing.T) {
 
 func TestLevelMarshalText(t *testing.T) {
 	want := LevelWarn - 3
-	want_data := []byte("INFO+1")
+	wantData := []byte("INFO+1")
 	data, err := want.MarshalText()
 	if err != nil {
 		t.Fatal(err)
 	}
-	if !bytes.Equal(data, want_data) {
-                t.Errorf("got %s, want %s", string(data), string(want_data))
+	if !bytes.Equal(data, wantData) {
+                t.Errorf("got %s, want %s", string(data), string(wantData))
         }
 	var got Level
 	if err := got.UnmarshalText(data); err != nil {