diff --git a/internal/fusefrontend/fs.go b/internal/fusefrontend/fs.go
index 8f77538..05167df 100644
--- a/internal/fusefrontend/fs.go
+++ b/internal/fusefrontend/fs.go
@@ -287,9 +287,9 @@ func (fs *FS) Mknod(path string, mode uint32, dev uint32, context *fuse.Context)
 		return fuse.ToStatus(err)
 	}
 	defer dirfd.Close()
-	// Create ".name" file to store long file name
+	// Create ".name" file to store long file name (except in PlaintextNames mode)
 	cName := filepath.Base(cPath)
-	if nametransform.IsLongContent(cName) {
+	if !fs.args.PlaintextNames && nametransform.IsLongContent(cName) {
 		err = fs.nameTransform.WriteLongName(dirfd, cName, path)
 		if err != nil {
 			return fuse.ToStatus(err)
diff --git a/tests/matrix/matrix_test.go b/tests/matrix/matrix_test.go
index 170f8ba..06c2e71 100644
--- a/tests/matrix/matrix_test.go
+++ b/tests/matrix/matrix_test.go
@@ -789,4 +789,9 @@ func TestMkfifo(t *testing.T) {
 	if err != nil {
 		t.Fatal(err)
 	}
+	path = test_helpers.DefaultPlainDir + "/gocryptfs.longname.XXX"
+	err = syscall.Mkfifo(path, 0700)
+	if err != nil {
+		t.Fatal(err)
+	}
 }