diff --git a/custom/wanxiang_pro.schema.yaml b/custom/wanxiang_pro.schema.yaml
index a9d20ac..93d78e0 100644
--- a/custom/wanxiang_pro.schema.yaml
+++ b/custom/wanxiang_pro.schema.yaml
@@ -405,6 +405,7 @@ wanxiang_english:
     - xform/^~.+$//
 wanxiang_mixedcode:
   dictionary: wanxiang_mixedcode
+  db_class: stabledb
   enable_completion: true
   enable_sentence: false
   initial_quality: 2.1
diff --git a/wanxiang.schema.yaml b/wanxiang.schema.yaml
index 2ec8144..0c99d4e 100644
--- a/wanxiang.schema.yaml
+++ b/wanxiang.schema.yaml
@@ -403,6 +403,7 @@ wanxiang_english:
     - xform/^~.+$//
 wanxiang_mixedcode:
   dictionary: wanxiang_mixedcode
+  db_class: stabledb
   enable_completion: true
   enable_sentence: false
   initial_quality: 2.1