diff --git a/changelog/unreleased/tus-preflight-headers.md b/changelog/unreleased/tus-preflight-headers.md
new file mode 100644
index 0000000000..465b2d7c63
--- /dev/null
+++ b/changelog/unreleased/tus-preflight-headers.md
@@ -0,0 +1,6 @@
+Enhancement: Add checksum headers to tus preflight responses 
+
+Added `checksum` to the header `Tus-Extension` and added the `Tus-Checksum-Algorithm` header.
+
+https://github.com/owncloud/ocis/issues/1747
+https://github.com/cs3org/reva/pull/1702
diff --git a/internal/http/services/owncloud/ocdav/options.go b/internal/http/services/owncloud/ocdav/options.go
index 9fa98d5396..d86a5afaa1 100644
--- a/internal/http/services/owncloud/ocdav/options.go
+++ b/internal/http/services/owncloud/ocdav/options.go
@@ -39,7 +39,8 @@ func (s *svc) handleOptions(w http.ResponseWriter, r *http.Request, ns string) {
 		w.Header().Add("Access-Control-Expose-Headers", "Tus-Resumable, Tus-Version, Tus-Extension")
 		w.Header().Set("Tus-Resumable", "1.0.0") // TODO(jfd): only for dirs?
 		w.Header().Set("Tus-Version", "1.0.0")
-		w.Header().Set("Tus-Extension", "creation,creation-with-upload")
+		w.Header().Set("Tus-Extension", "creation,creation-with-upload,checksum")
+		w.Header().Set("Tus-Checksum-Algorithm", "md5,sha1,crc32")
 	}
-	w.WriteHeader(http.StatusOK)
+	w.WriteHeader(http.StatusNoContent)
 }