diff --git a/firestore.rules b/firestore.rules
index f8cc148c..1dc4fd37 100644
--- a/firestore.rules
+++ b/firestore.rules
@@ -50,7 +50,9 @@ service cloud.firestore {
     match /contracts/{contractId} {
       allow read;
       allow update: if request.resource.data.diff(resource.data).affectedKeys()
-                       .hasOnly(['description', 'closeTime', 'tags', 'lowercaseTags'])
+                                                                 .hasOnly(['tags', 'lowercaseTags']);
+      allow update: if request.resource.data.diff(resource.data).affectedKeys()
+                                                                 .hasOnly(['description', 'closeTime'])
                        && resource.data.creatorId == request.auth.uid;
       allow update: if isAdmin();
     }