diff --git a/bucket_test.go b/bucket_test.go
index 66f9a1f..30b5b88 100644
--- a/bucket_test.go
+++ b/bucket_test.go
@@ -5,8 +5,6 @@ import (
 	"encoding/binary"
 	"errors"
 	"fmt"
-	"github.com/stretchr/testify/assert"
-	"github.com/stretchr/testify/require"
 	"log"
 	"math/rand"
 	"os"
@@ -15,6 +13,8 @@ import (
 	"testing"
 	"testing/quick"
 
+	"github.com/stretchr/testify/assert"
+	"github.com/stretchr/testify/require"
 	bolt "go.etcd.io/bbolt"
 )
 
diff --git a/db.go b/db.go
index 9b2f9d1..a5a0333 100644
--- a/db.go
+++ b/db.go
@@ -4,7 +4,6 @@ import (
 	"errors"
 	"fmt"
 	"hash/fnv"
-	"log"
 	"os"
 	"runtime"
 	"sort"
@@ -552,7 +551,7 @@ func (db *DB) close() error {
 		if !db.readOnly {
 			// Unlock the file.
 			if err := funlock(db); err != nil {
-				log.Printf("bolt.Close(): funlock error: %s", err)
+				return fmt.Errorf("bolt.Close(): funlock error: %w", err)
 			}
 		}