diff --git a/followthemoney/schema/Thing.yaml b/followthemoney/schema/Thing.yaml
index 3a5369fd5..13fb70792 100644
--- a/followthemoney/schema/Thing.yaml
+++ b/followthemoney/schema/Thing.yaml
@@ -33,6 +33,7 @@ Thing:
       type: name
     weakAlias:
       label: Weak alias
+      type: name
       matchable: false
     sourceUrl:
       label: Source link