diff --git a/driver/driver.go b/driver/driver.go
index 220263b..6e45828 100644
--- a/driver/driver.go
+++ b/driver/driver.go
@@ -94,10 +94,10 @@ func newConnector(name string, init func(ctx context.Context, conn *sqlite3.Conn
 }
 
 type connector struct {
+	init    func(ctx context.Context, conn *sqlite3.Conn) error
 	name    string
 	txlock  string
 	pragmas bool
-	init    func(ctx context.Context, conn *sqlite3.Conn) error
 }
 
 func (n *connector) Driver() driver.Driver {
diff --git a/vfs/memdb/memdb.go b/vfs/memdb/memdb.go
index f8a89b4..4d94083 100644
--- a/vfs/memdb/memdb.go
+++ b/vfs/memdb/memdb.go
@@ -133,7 +133,7 @@ func (m *memFile) WriteAt(b []byte, off int64) (n int, err error) {
 	n = copy((*m.data[base])[rest:], b)
 	if n < len(b) {
 		// Assume writes are page aligned.
-		return 0, io.ErrShortWrite
+		return n, io.ErrShortWrite
 	}
 	if size := off + int64(len(b)); size > m.size {
 		m.size = size
diff --git a/vfs/tests/mptest/mptest_test.go b/vfs/tests/mptest/mptest_test.go
index b89e150..9f7ce5b 100644
--- a/vfs/tests/mptest/mptest_test.go
+++ b/vfs/tests/mptest/mptest_test.go
@@ -151,7 +151,7 @@ func Test_multiwrite01(t *testing.T) {
 
 func Test_config01_memory(t *testing.T) {
 	ctx := util.NewContext(newContext(t))
-	cfg := config(ctx).WithArgs("mptest", "test.db",
+	cfg := config(ctx).WithArgs("mptest", "/test.db",
 		"config01.test",
 		"--vfs", "memdb",
 		"--timeout", "1000")