diff --git a/src/honey/sql.cljc b/src/honey/sql.cljc
index 5c7e1fb..5300203 100644
--- a/src/honey/sql.cljc
+++ b/src/honey/sql.cljc
@@ -889,11 +889,10 @@
                               {:clause x})))
           [sqls expr-params]
           (when (seq exprs)
-            (format-expr-list exprs))
+            (format-expr-list (map (fn [e] (if (sequential? e) [:nest e] e)) exprs)))
           [sql & clause-params]
           (when clause
             (format-dsl clause))]
-
       (-> [(str (sql-kw k)
                 (when (pos? n)
                   (str " (" (str/join ", " sqls) ")"))
diff --git a/test/honey/sql_test.cljc b/test/honey/sql_test.cljc
index e86fef1..8df5d28 100644
--- a/test/honey/sql_test.cljc
+++ b/test/honey/sql_test.cljc
@@ -772,13 +772,13 @@ DO NOTHING
 INSERT INTO customers
 (name, email)
 VALUES ('Microsoft', 'hotline@microsoft.com')
-ON CONFLICT (name, TRIM(email))
+ON CONFLICT ((foo + ?), name, (TRIM(email)))
 DO NOTHING
-"]
+" 1]
          (format {:insert-into :customers
                   :columns [:name :email]
                   :values [[[:inline "Microsoft"], [:inline "hotline@microsoft.com"]]]
-                  :on-conflict [:name [:trim :email]]
+                  :on-conflict [[:+ :foo 1] :name [:trim :email]]
                   :do-nothing true}
                  {:pretty true})))
   (is (= ["