diff --git a/src/dsql/pg.clj b/src/dsql/pg.clj
index fbb12e1..03d3ba0 100644
--- a/src/dsql/pg.clj
+++ b/src/dsql/pg.clj
@@ -698,6 +698,14 @@
       (:pg/sub-select m) :pg/sub-select
       :else nil)))
 
+(defmethod ql/to-sql
+  :jsonb/?
+  [acc opts [_ l r]]
+  (-> acc
+      (ql/to-sql opts l)
+      (conj "??")
+      (ql/to-sql opts r)))
+
 (defmethod ql/to-sql
   :jsonb/->
   [acc opts [_ col k]]