diff --git a/brmbar3/brmbar/Account.py b/brmbar3/brmbar/Account.py
index fca6d82..8615dfd 100644
--- a/brmbar3/brmbar/Account.py
+++ b/brmbar3/brmbar/Account.py
@@ -69,7 +69,8 @@ class Account:
         self.db.execute("INSERT INTO transaction_splits (transaction, side, account, amount, memo) VALUES (%s, %s, %s, %s, %s)", [transaction, side, self.id, amount, memo])
 
     def add_barcode(self, barcode):
-        self.db.execute("INSERT INTO barcodes (account, barcode) VALUES (%s, %s)", [self.id, barcode])
+        # self.db.execute("INSERT INTO barcodes (account, barcode) VALUES (%s, %s)", [self.id, barcode])
+        self.db.execute("SELECT public.add_barcode_to_account(%s, %s)", [self.id, barcode])
         self.db.commit()
 
     def rename(self, name):
diff --git a/brmbar3/schema/0004-add-account-barcode.sql b/brmbar3/schema/0004-add-account-barcode.sql
new file mode 100644
index 0000000..dbdba9a
--- /dev/null
+++ b/brmbar3/schema/0004-add-account-barcode.sql
@@ -0,0 +1,50 @@
+--
+-- 0004-add-account-barcode.sql
+--
+-- #4 - stored procedure for adding barcode to account
+--
+-- ISC License
+--
+-- Copyright 2023-2025 Brmlab, z.s.
+-- Dominik Pantůček <dominik.pantucek@trustica.cz>
+--
+-- Permission to use, copy, modify, and/or distribute this software
+-- for any purpose with or without fee is hereby granted, provided
+-- that the above copyright notice and this permission notice appear
+-- in all copies.
+-- 
+-- THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL
+-- WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED
+-- WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE
+-- AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR
+-- CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS
+-- OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT,
+-- NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
+-- CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+--
+
+-- Require fully-qualified names
+SELECT pg_catalog.set_config('search_path', '', false);
+
+DO $upgrade_block$
+BEGIN
+
+IF brmbar_privileged.has_exact_schema_version(3) THEN
+
+  CREATE OR REPLACE FUNCTION public.add_barcode_to_account(
+    IN i_account public.barcodes.account%TYPE,
+    IN i_barcode public.barcodes.barcode%TYPE
+  ) RETURNS VOID LANGUAGE plpgsql AS $$
+  DECLARE
+    r_id INTEGER;
+  BEGIN
+    INSERT INTO public.barcodes (account, barcode)
+      VALUES (i_account, i_barcode);
+  END
+  $$;
+  
+  PERFORM brmbar_privileged.upgrade_schema_version_to(4);
+END IF;
+
+END;
+$upgrade_block$;