diff --git a/acls.yml b/acls.yml
index 7ad75c3b41e4a9ebf5d9c08476126d0a2e060695..080401201475259b7a6bf372448f53846a5faa43 100644
--- a/acls.yml
+++ b/acls.yml
@@ -1052,7 +1052,7 @@ software:
     owner: ['strube1', 'nassyr1']
     base: 'true'
   - name: 'xarray'
-    owner: ['strube1']
+    owner: 'strube1'
     base: 'true'
   - name: 'X11'
     owner: 'achilles4'