diff --git a/packages/space-conformance/probe-lexicons/earth.cirrus.check.space.json b/packages/space-conformance/probe-lexicons/earth.cirrus.check.space.json
index cc92625..e7dd85d 100644
--- a/packages/space-conformance/probe-lexicons/earth.cirrus.check.space.json
+++ b/packages/space-conformance/probe-lexicons/earth.cirrus.check.space.json
@@ -5,9 +5,13 @@
 	"defs": {
 		"main": {
 			"type": "space",
+			"key": "any",
 			"name": "Conformance probe space",
 			"description": "Ephemeral probe spaces created by the @getcirrus/space-conformance suite (check.cirrus.earth). Each is created with a run-unique key and deleted when its check finishes.",
-			"collections": ["earth.cirrus.check.note", "earth.cirrus.check.withblob"]
+			"collections": [
+				"earth.cirrus.check.note",
+				"earth.cirrus.check.withblob"
+			]
 		}
 	}
-}
+}
\ No newline at end of file