diff --git a/src/log/slog/level_test.go b/src/log/slog/level_test.go
index 19adcd8466..217a0d7204 100644
--- a/src/log/slog/level_test.go
+++ b/src/log/slog/level_test.go
@@ -59,8 +59,8 @@ func TestLevelMarshalJSON(t *testing.T) {
 		t.Fatal(err)
 	}
 	if !bytes.Equal(data, wantData) {
-                t.Errorf("got %s, want %s", string(data), string(wantData))
-        }
+		t.Errorf("got %s, want %s", string(data), string(wantData))
+	}
 	var got Level
 	if err := got.UnmarshalJSON(data); err != nil {
 		t.Fatal(err)
@@ -78,8 +78,8 @@ func TestLevelMarshalText(t *testing.T) {
 		t.Fatal(err)
 	}
 	if !bytes.Equal(data, wantData) {
-                t.Errorf("got %s, want %s", string(data), string(wantData))
-        }
+		t.Errorf("got %s, want %s", string(data), string(wantData))
+	}
 	var got Level
 	if err := got.UnmarshalText(data); err != nil {
 		t.Fatal(err)
diff --git a/src/log/slog/value_test.go b/src/log/slog/value_test.go
index df83da4d69..033f945407 100644
--- a/src/log/slog/value_test.go
+++ b/src/log/slog/value_test.go
@@ -37,9 +37,9 @@ func TestValueEqual(t *testing.T) {
 		GroupValue(Bool("b", true), Int("i", 4)),
 		GroupValue(Bool("b", true), Int("j", 4)),
 		DurationValue(3 * time.Second),
-                DurationValue(2 * time.Second),
-                StringValue("foo"),
-                StringValue("fuu"),
+		DurationValue(2 * time.Second),
+		StringValue("foo"),
+		StringValue("fuu"),
 	}
 	for i, v1 := range vals {
 		for j, v2 := range vals {