diff --git a/src/wuttaweb/templates/tables/app/create.mako b/src/wuttaweb/templates/tables/app/create.mako
index ca82af9..94cd372 100644
--- a/src/wuttaweb/templates/tables/app/create.mako
+++ b/src/wuttaweb/templates/tables/app/create.mako
@@ -818,7 +818,7 @@
         } else if (dataType.type == 'UUID') {
             return `UUID()`
         } else if (dataType.type == '_fk_uuid_') {
-            return 'sa.String(length=32)'
+            return `UUID()`
         } else if (dataType.type == '_other_') {
             return dataType.literal
         } else {