diff --git a/pkg/errtypes/errtypes.go b/pkg/errtypes/errtypes.go
index 14d18f744c5..e44d2819bf9 100644
--- a/pkg/errtypes/errtypes.go
+++ b/pkg/errtypes/errtypes.go
@@ -145,6 +145,16 @@ func (e InsufficientStorage) Error() string { return "error: insufficient storag
 // IsInsufficientStorage implements the IsInsufficientStorage interface.
 func (e InsufficientStorage) IsInsufficientStorage() {}
 
+// This implementation is neede to allow TUS to cast the correct http errors
+func (e InsufficientStorage) StatusCode() int {
+	return StatusInssufficientStorage
+}
+
+// This implementation is neede to allow TUS to cast the correct http errors
+func (e InsufficientStorage) Body() []byte {
+	return []byte(e.Error())
+}
+
 // StatusInssufficientStorage 507 is an official http status code to indicate that there is insufficient storage
 // https://developer.mozilla.org/en-US/docs/Web/HTTP/Status/507
 const StatusInssufficientStorage = 507