diff --git a/src/clj/auto_ap/datomic/transactions.clj b/src/clj/auto_ap/datomic/transactions.clj
index cc55b4cb..949e5c6e 100644
--- a/src/clj/auto_ap/datomic/transactions.clj
+++ b/src/clj/auto_ap/datomic/transactions.clj
@@ -256,7 +256,8 @@
                                                                        :account/location
                                                                        {:account/client-overrides [:account-client-override/name
                                                                                                    {:account-client-override/client [:db/id]}]}]}]
-                :transaction/yodlee-merchant [:db/id :yodlee-merchant/yodlee-id :yodlee-merchant/name]}]
+                :transaction/yodlee-merchant [:db/id :yodlee-merchant/yodlee-id :yodlee-merchant/name]
+                :transaction/plaid-merchant [:db/id :plaid-merchant/name]}]
            id)
    (update :transaction/date coerce/from-date)
    (update :transaction/post-date coerce/from-date)
diff --git a/src/clj/auto_ap/graphql/transactions.clj b/src/clj/auto_ap/graphql/transactions.clj
index eee972dd..4f1a8882 100644
--- a/src/clj/auto_ap/graphql/transactions.clj
+++ b/src/clj/auto_ap/graphql/transactions.clj
@@ -361,14 +361,18 @@
     (when missing-locations
       (throw (ex-info (str "Location '" (str/join ", " missing-locations) "' not found on client.") {})) )
     
-    (audit-transact [[:upsert-transaction {:db/id                       id
-                                           :transaction/vendor          vendor_id
-                                           :transaction/approval-status (some->> approval_status
-                                                                                 name
-                                                                                 snake->kebab
-                                                                                 (keyword "transaction-approval-status"))
-                                           :transaction/accounts        (map transaction-account->entity accounts)
-                                           :transaction/forecast-match  forecast_match}]]
+    (audit-transact (cond-> [[:upsert-transaction {:db/id                       id
+                                                   :transaction/vendor          vendor_id
+                                                   :transaction/approval-status (some->> approval_status
+                                                                                         name
+                                                                                         snake->kebab
+                                                                                         (keyword "transaction-approval-status"))
+                                                   :transaction/accounts        (map transaction-account->entity accounts)
+                                                   :transaction/forecast-match  forecast_match}]]
+                      (and (:transaction/plaid-merchant existing-transaction)
+                           (not (pull-attr (dc/db conn) :vendor/plaid-merchant vendor_id)))
+                      (conj {:db/id vendor_id 
+                             :vendor/plaid-merchant (-> existing-transaction :transaction/plaid-merchant :db/id)}))
                     (:id context))
     (solr/touch-with-ledger id)
     (-> (d-transactions/get-by-id id)