diff --git a/internal/sftpd/internal_test.go b/internal/sftpd/internal_test.go
index c97a8ac1..28ccd137 100644
--- a/internal/sftpd/internal_test.go
+++ b/internal/sftpd/internal_test.go
@@ -1726,7 +1726,7 @@ func TestSCPUploadFiledata(t *testing.T) {
 
 	transfer.Connection.AddTransfer(transfer)
 	err = scpCommand.getUploadFileData(2, transfer)
-	assert.True(t, errors.Is(err, os.ErrClosed))
+	assert.ErrorContains(t, err, os.ErrClosed.Error())
 
 	err = os.Remove(testfile)
 	assert.NoError(t, err)