diff --git a/pkg/store/bucket.go b/pkg/store/bucket.go
index d880935c9df..5fe03936a01 100644
--- a/pkg/store/bucket.go
+++ b/pkg/store/bucket.go
@@ -1349,7 +1349,7 @@ func (s *BucketStore) LabelNames(ctx context.Context, req *storepb.LabelNamesReq
 func (b *bucketBlock) FilterExtLabelsMatchers(matchers []*labels.Matcher) ([]*labels.Matcher, bool) {
 	// we filter external labels from matchers
 	// so it won't try to match series on them.
-	var result []*labels.Matcher	
+	var result []*labels.Matcher
 	for _, m := range matchers {
 		// get value of external label from block
 		v := b.extLset.Get(m.Name)
@@ -1405,7 +1405,7 @@ func (s *BucketStore) LabelValues(ctx context.Context, req *storepb.LabelValuesR
 		if len(reqBlockMatchers) > 0 && !b.matchRelabelLabels(reqBlockMatchers) {
 			continue
 		}
-				// filter ext labels
+		// filter ext labels
 		reqSeriesMatchersNoExtLabels, ok := b.FilterExtLabelsMatchers(reqSeriesMatchers)
 		if !ok {
 			continue
diff --git a/pkg/store/bucket_test.go b/pkg/store/bucket_test.go
index df2c60041da..bff5f090e50 100644
--- a/pkg/store/bucket_test.go
+++ b/pkg/store/bucket_test.go
@@ -207,31 +207,31 @@ func TestBucketFilterExtLabelsMatchers(t *testing.T) {
 		},
 	}
 	b, err := newBucketBlock(context.Background(), log.NewNopLogger(), newBucketStoreMetrics(nil), meta, bkt, path.Join(dir, blockID.String()), nil, nil, nil, nil)
-	ms := []*labels.Matcher {
+	ms := []*labels.Matcher{
 		{Type: labels.MatchNotEqual, Name: "a", Value: "b"},
-		}
+	}
 	res, _ := b.FilterExtLabelsMatchers(ms)
 	testutil.Equals(t, len(res), 0)
 
-	ms = []*labels.Matcher {
+	ms = []*labels.Matcher{
 		{Type: labels.MatchNotEqual, Name: "a", Value: "a"},
-		}
+	}
 	_, ok := b.FilterExtLabelsMatchers(ms)
 	testutil.Equals(t, ok, false)
 
-	ms = []*labels.Matcher {
+	ms = []*labels.Matcher{
 		{Type: labels.MatchNotEqual, Name: "a", Value: "a"},
-			{Type: labels.MatchNotEqual, Name: "c", Value: "d"},
-		}
+		{Type: labels.MatchNotEqual, Name: "c", Value: "d"},
+	}
 	res, _ = b.FilterExtLabelsMatchers(ms)
 	testutil.Equals(t, len(res), 0)
 
-	ms = []*labels.Matcher {
+	ms = []*labels.Matcher{
 		{Type: labels.MatchNotEqual, Name: "a2", Value: "a"},
-		}
+	}
 	res, _ = b.FilterExtLabelsMatchers(ms)
 	testutil.Equals(t, len(res), 1)
-	testutil.Equals(t, res, ms)	
+	testutil.Equals(t, res, ms)
 }
 
 func TestBucketBlock_matchLabels(t *testing.T) {