diff --git a/canned/disk.json b/canned/disk.json
index b00df16049..8021a8d63c 100644
--- a/canned/disk.json
+++ b/canned/disk.json
@@ -16,7 +16,7 @@
           "db": "telegraf",
           "rp": "autogen",
           "groupbys": [
-            "path"
+            "\"path\""
           ],
           "wheres": []
         }