diff --git a/epdb/logic.py b/epdb/logic.py
index 2980b1a1..586e9f24 100644
--- a/epdb/logic.py
+++ b/epdb/logic.py
@@ -623,6 +623,10 @@ class PackageManager(object):
     def grant_write(caller: User, package: Package, grantee: Union[User, Group]):
         PackageManager.update_permissions(caller, package, grantee, Permission.WRITE[0])
 
+    @staticmethod
+    def grant_owner(caller: User, package: Package, grantee: Union[User, Group]):
+        PackageManager.update_permissions(caller, package, grantee, Permission.ALL[0])
+
     @staticmethod
     @transaction.atomic
     def import_legacy_package(
@@ -821,7 +825,14 @@ class PackageManager(object):
             r.name = rule["name"]
             r.description = rule["description"]
             r.aliases = rule.get("aliases", [])
-            r.smirks = rule["smirks"]
+
+            if rule.get("smirks") is not None:
+                r.smirks = rule["smirks"]
+            elif rule.get("reactionSmarts") is not None:
+                r.smirks = rule["reactionSmarts"]
+            else:
+                raise ValueError("No SMIRKS or reactionSmarts found for rule {}".format(rule["id"]))
+
             r.reactant_filter_smarts = rule.get("reactantFilterSmarts", None)
             r.product_filter_smarts = rule.get("productFilterSmarts", None)
             r.save()