diff --git a/themes/schema.json b/themes/schema.json
index 8fa315ca..f5e0bc1e 100644
--- a/themes/schema.json
+++ b/themes/schema.json
@@ -1007,7 +1007,8 @@
                       "agnoster_short",
                       "short",
                       "full",
-                      "folder"
+                      "folder",
+                      "mixed"
                     ],
                     "default": "folder"
                   },