diff --git a/rust/agama-lib/share/examples/storage.json b/rust/agama-lib/share/examples/storage.json
index 6ca4a04824..3c80bc5e76 100644
--- a/rust/agama-lib/share/examples/storage.json
+++ b/rust/agama-lib/share/examples/storage.json
@@ -26,6 +26,7 @@
                 }
               },
               "path": "/",
+              "mountBy": "uuid",
               "mountOptions": ["ro"]
             }
           },
diff --git a/rust/agama-lib/share/profile.schema.json b/rust/agama-lib/share/profile.schema.json
index 3476414f14..a3b0085f65 100644
--- a/rust/agama-lib/share/profile.schema.json
+++ b/rust/agama-lib/share/profile.schema.json
@@ -864,6 +864,10 @@
           "type": "string",
           "examples": ["/dev/vda"]
         },
+        "mountBy": {
+          "title": "How to mount the device",
+          "enum": ["device", "id", "label", "path", "uuid"]
+        },
         "mkfsOptions": {
           "title": "mkfs options",
           "description": "Options for creating the file system.",