diff --git a/internal/restorer/fileswriter.go b/internal/restorer/fileswriter.go
index 9e9b6b01c..034ed2725 100644
--- a/internal/restorer/fileswriter.go
+++ b/internal/restorer/fileswriter.go
@@ -44,7 +44,7 @@ func newFilesWriter(count int) *filesWriter {
 }
 
 func openFile(path string) (*os.File, error) {
-	f, err := os.OpenFile(path, os.O_WRONLY|fs.O_NOFOLLOW, 0600)
+	f, err := fs.OpenFile(path, fs.O_WRONLY|fs.O_NOFOLLOW, 0600)
 	if err != nil {
 		return nil, err
 	}
@@ -61,7 +61,7 @@ func openFile(path string) (*os.File, error) {
 }
 
 func createFile(path string, createSize int64, sparse bool) (*os.File, error) {
-	f, err := os.OpenFile(path, os.O_CREATE|os.O_WRONLY|fs.O_NOFOLLOW, 0600)
+	f, err := fs.OpenFile(path, fs.O_CREATE|fs.O_WRONLY|fs.O_NOFOLLOW, 0600)
 	if err != nil && fs.IsAccessDenied(err) {
 		// If file is readonly, clear the readonly flag by resetting the
 		// permissions of the file and try again
@@ -70,7 +70,7 @@ func createFile(path string, createSize int64, sparse bool) (*os.File, error) {
 		if err = fs.ResetPermissions(path); err != nil {
 			return nil, err
 		}
-		if f, err = os.OpenFile(path, os.O_WRONLY|fs.O_NOFOLLOW, 0600); err != nil {
+		if f, err = fs.OpenFile(path, fs.O_WRONLY|fs.O_NOFOLLOW, 0600); err != nil {
 			return nil, err
 		}
 	} else if err != nil && (errors.Is(err, syscall.ELOOP) || errors.Is(err, syscall.EISDIR)) {
@@ -109,11 +109,11 @@ func createFile(path string, createSize int64, sparse bool) (*os.File, error) {
 		}
 
 		// not what we expected, try to get rid of it
-		if err := os.Remove(path); err != nil {
+		if err := fs.Remove(path); err != nil {
 			return nil, err
 		}
 		// create a new file, pass O_EXCL to make sure there are no surprises
-		f, err = os.OpenFile(path, os.O_CREATE|os.O_WRONLY|os.O_EXCL|fs.O_NOFOLLOW, 0600)
+		f, err = fs.OpenFile(path, fs.O_CREATE|fs.O_WRONLY|fs.O_EXCL|fs.O_NOFOLLOW, 0600)
 		if err != nil {
 			return nil, err
 		}
diff --git a/internal/restorer/restorer.go b/internal/restorer/restorer.go
index 19555afb8..85132c8b4 100644
--- a/internal/restorer/restorer.go
+++ b/internal/restorer/restorer.go
@@ -541,7 +541,7 @@ func (s *fileState) HasMatchingBlob(i int) bool {
 // Reusing buffers prevents the verifier goroutines allocating all of RAM and
 // flushing the filesystem cache (at least on Linux).
 func (res *Restorer) verifyFile(target string, node *restic.Node, failFast bool, trustMtime bool, buf []byte) (*fileState, []byte, error) {
-	f, err := os.OpenFile(target, fs.O_RDONLY|fs.O_NOFOLLOW, 0)
+	f, err := fs.OpenFile(target, fs.O_RDONLY|fs.O_NOFOLLOW, 0)
 	if err != nil {
 		return nil, buf, err
 	}