storage/default-dir-piece-completion-boltdb.go | 8 ++++++++
 storage/default-dir-piece-completion-sqlite.go | 8 ++++++++
 storage/piece-completion.go                    | 2 +-

diff --git a/storage/default-dir-piece-completion-boltdb.go b/storage/default-dir-piece-completion-boltdb.go
new file mode 100644
index 0000000000000000000000000000000000000000..5ba587b700b3cdb75ceba4938cc25487c47013c9
--- /dev/null
+++ b/storage/default-dir-piece-completion-boltdb.go
@@ -0,0 +1,8 @@
+//go:build !cgo
+// +build !cgo
+
+package storage
+
+func NewDefaultPieceCompletionForDir(dir string) (PieceCompletion, error) {
+	return NewBoltPieceCompletion(dir)
+}
diff --git a/storage/default-dir-piece-completion-sqlite.go b/storage/default-dir-piece-completion-sqlite.go
new file mode 100644
index 0000000000000000000000000000000000000000..7c3479569ff537e14e3f499e0047cfe824afc4ad
--- /dev/null
+++ b/storage/default-dir-piece-completion-sqlite.go
@@ -0,0 +1,8 @@
+//go:build cgo
+// +build cgo
+
+package storage
+
+func NewDefaultPieceCompletionForDir(dir string) (PieceCompletion, error) {
+	return NewSqlitePieceCompletion(dir)
+}
diff --git a/storage/piece-completion.go b/storage/piece-completion.go
index 791fce60a12b8397c1ed7031ad98a27876f7a6ec..bc646bd7aeb088f4e2a5b9b4d4df5eb678d36259 100644
--- a/storage/piece-completion.go
+++ b/storage/piece-completion.go
@@ -18,7 +18,7 @@ 	Close() error
 }
 
 func pieceCompletionForDir(dir string) (ret PieceCompletion) {
-	ret, err := NewBoltPieceCompletion(dir)
+	ret, err := NewDefaultPieceCompletionForDir(dir)
 	if err != nil {
 		log.Printf("couldn't open piece completion db in %q: %s", dir, err)
 		ret = NewMapPieceCompletion()