diff --git a/changelog/unreleased/drain-body-on-put.md b/changelog/unreleased/drain-body-on-put.md
new file mode 100644
index 0000000000..2047456996
--- /dev/null
+++ b/changelog/unreleased/drain-body-on-put.md
@@ -0,0 +1,5 @@
+Bugfix: Drain body on failed put
+
+When a put request fails the server would not drain the body. This will lead to `connection closed` errors on clients when using http 1
+
+https://github.com/cs3org/reva/pull/3618
diff --git a/internal/http/services/owncloud/ocdav/put.go b/internal/http/services/owncloud/ocdav/put.go
index 1ffcc543c7..c4f4005547 100644
--- a/internal/http/services/owncloud/ocdav/put.go
+++ b/internal/http/services/owncloud/ocdav/put.go
@@ -20,6 +20,7 @@ package ocdav
 
 import (
 	"context"
+	"io"
 	"net/http"
 	"path"
 	"strconv"
@@ -239,6 +240,10 @@ func (s *svc) handlePut(ctx context.Context, w http.ResponseWriter, r *http.Requ
 	}
 
 	if uRes.Status.Code != rpc.Code_CODE_OK {
+		if r.ProtoMajor == 1 {
+			// drain body to avoid `connection closed` errors
+			_, _ = io.Copy(io.Discard, r.Body)
+		}
 		switch uRes.Status.Code {
 		case rpc.Code_CODE_PERMISSION_DENIED:
 			status := http.StatusForbidden
diff --git a/internal/http/services/owncloud/ocdav/tus.go b/internal/http/services/owncloud/ocdav/tus.go
index b792f034c8..ff4d58b04d 100644
--- a/internal/http/services/owncloud/ocdav/tus.go
+++ b/internal/http/services/owncloud/ocdav/tus.go
@@ -21,6 +21,7 @@ package ocdav
 import (
 	"context"
 	"encoding/json"
+	"io"
 	"net/http"
 	"path"
 	"strconv"
@@ -204,6 +205,10 @@ func (s *svc) handleTusPost(ctx context.Context, w http.ResponseWriter, r *http.
 	}
 
 	if uRes.Status.Code != rpc.Code_CODE_OK {
+		if r.ProtoMajor == 1 {
+			// drain body to avoid `connection closed` errors
+			_, _ = io.Copy(io.Discard, r.Body)
+		}
 		if uRes.Status.Code == rpc.Code_CODE_NOT_FOUND {
 			w.WriteHeader(http.StatusPreconditionFailed)
 			return