diff --git a/internal/http/services/owncloud/ocdav/get.go b/internal/http/services/owncloud/ocdav/get.go
index 15972022c51..d6ab7d6c896 100644
--- a/internal/http/services/owncloud/ocdav/get.go
+++ b/internal/http/services/owncloud/ocdav/get.go
@@ -24,8 +24,10 @@ import (
 	"net/http"
 	"path"
 	"strconv"
+	"strings"
 	"time"
 
+	"github.com/cs3org/reva/internal/grpc/services/storageprovider"
 	"github.com/cs3org/reva/internal/http/services/datagateway"
 	"go.opencensus.io/trace"
 
@@ -146,7 +148,7 @@ func (s *svc) handleGet(w http.ResponseWriter, r *http.Request, ns string) {
 		w.Header().Set("Content-Length", strconv.FormatUint(info.Size, 10))
 	}
 	if info.Checksum != nil {
-		w.Header().Set("OC-Checksum", fmt.Sprintf("%s:%s", info.Checksum.Type, info.Checksum.Sum))
+		w.Header().Set("OC-Checksum", fmt.Sprintf("%s:%s", strings.ToUpper(string(storageprovider.GRPC2PKGXS(info.Checksum.Type))), info.Checksum.Sum))
 	}
 	var c int64
 	if c, err = io.Copy(w, httpRes.Body); err != nil {
diff --git a/internal/http/services/owncloud/ocdav/head.go b/internal/http/services/owncloud/ocdav/head.go
index 57b2ab34b56..8784629685c 100644
--- a/internal/http/services/owncloud/ocdav/head.go
+++ b/internal/http/services/owncloud/ocdav/head.go
@@ -23,10 +23,12 @@ import (
 	"net/http"
 	"path"
 	"strconv"
+	"strings"
 	"time"
 
 	rpc "github.com/cs3org/go-cs3apis/cs3/rpc/v1beta1"
 	provider "github.com/cs3org/go-cs3apis/cs3/storage/provider/v1beta1"
+	"github.com/cs3org/reva/internal/grpc/services/storageprovider"
 	"github.com/cs3org/reva/pkg/appctx"
 	"github.com/cs3org/reva/pkg/utils"
 	"go.opencensus.io/trace"
@@ -69,7 +71,7 @@ func (s *svc) handleHead(w http.ResponseWriter, r *http.Request, ns string) {
 	w.Header().Set("ETag", info.Etag)
 	w.Header().Set("OC-FileId", wrapResourceID(info.Id))
 	w.Header().Set("OC-ETag", info.Etag)
-	w.Header().Set("OC-Checksum", fmt.Sprintf("%s:%s", info.Checksum.Type, info.Checksum.Sum))
+	w.Header().Set("OC-Checksum", fmt.Sprintf("%s:%s", strings.ToUpper(string(storageprovider.GRPC2PKGXS(info.Checksum.Type))), info.Checksum.Sum))
 	t := utils.TSToTime(info.Mtime).UTC()
 	lastModifiedString := t.Format(time.RFC1123Z)
 	w.Header().Set("Last-Modified", lastModifiedString)