diff --git a/changelog/unreleased/add-resolutions.md b/changelog/unreleased/add-resolutions.md
new file mode 100644
index 000000000..b2449e9f3
--- /dev/null
+++ b/changelog/unreleased/add-resolutions.md
@@ -0,0 +1,6 @@
+Change: add more default resolutions 
+
+The `ocis-thumbnails` service was also used by the mediaviewer but the returned
+images were too small since the highest resolution was 128x128 pixels.
+
+https://github.com/owncloud/ocis-thumbnails/issues/23
diff --git a/pkg/flagset/flagset.go b/pkg/flagset/flagset.go
index 79a83e329..d5566b45c 100644
--- a/pkg/flagset/flagset.go
+++ b/pkg/flagset/flagset.go
@@ -155,7 +155,7 @@ func ServerWithConfig(cfg *config.Config) []cli.Flag {
 		},
 		&cli.StringSliceFlag{
 			Name:    "thumbnail-resolution",
-			Value:   cli.NewStringSlice("16x16", "32x32", "64x64", "128x128"),
+			Value:   cli.NewStringSlice("16x16", "32x32", "64x64", "128x128", "1920x1080", "3840x2160", "7680x4320"),
 			Usage:   "--thumbnail-resolution 16x16 [--thumbnail-resolution 32x32]",
 			EnvVars: []string{"THUMBNAILS_RESOLUTIONS"},
 		},