diff --git a/blocks/blockstore/arc_cache.go b/blocks/blockstore/arc_cache.go
index e2293472f..5cc2ff433 100644
--- a/blocks/blockstore/arc_cache.go
+++ b/blocks/blockstore/arc_cache.go
@@ -19,7 +19,7 @@ type arccache struct {
 	total metrics.Counter
 }
 
-func newARCCachedBS(bs Blockstore, ctx context.Context, lruSize int) (*arccache, error) {
+func newARCCachedBS(ctx context.Context, bs Blockstore, lruSize int) (*arccache, error) {
 	arc, err := lru.NewARC(lruSize)
 	if err != nil {
 		return nil, err
diff --git a/blocks/blockstore/arc_cache_test.go b/blocks/blockstore/arc_cache_test.go
index 02caf1429..eb8086a79 100644
--- a/blocks/blockstore/arc_cache_test.go
+++ b/blocks/blockstore/arc_cache_test.go
@@ -140,7 +140,7 @@ func TestGetAndDeleteFalseShortCircuit(t *testing.T) {
 }
 
 func TestArcCreationFailure(t *testing.T) {
-	if arc, err := newARCCachedBS(nil, context.TODO(), -1); arc != nil || err == nil {
+	if arc, err := newARCCachedBS(context.TODO(), nil, -1); arc != nil || err == nil {
 		t.Fatal("expected error and no cache")
 	}
 }
diff --git a/blocks/blockstore/caching.go b/blocks/blockstore/caching.go
index 8e2c6cad1..08a841d5f 100644
--- a/blocks/blockstore/caching.go
+++ b/blocks/blockstore/caching.go
@@ -38,7 +38,7 @@ func CachedBlockstore(bs GCBlockstore,
 	ctx = metrics.CtxSubScope(ctx, "bs.cache")
 
 	if opts.HasARCCacheSize > 0 {
-		cbs, err = newARCCachedBS(cbs, ctx, opts.HasARCCacheSize)
+		cbs, err = newARCCachedBS(ctx, cbs, opts.HasARCCacheSize)
 	}
 	if opts.HasBloomFilterSize != 0 {
 		cbs, err = bloomCached(cbs, ctx, opts.HasBloomFilterSize, opts.HasBloomFilterHashes)