diff --git a/erpnext/patches.txt b/erpnext/patches.txt
index 3561e147d59..cc92dc8dc33 100644
--- a/erpnext/patches.txt
+++ b/erpnext/patches.txt
@@ -424,3 +424,4 @@ execute:frappe.db.set_single_value("Accounts Settings", "confirm_before_resettin
 erpnext.patches.v15_0.rename_pos_closing_entry_fields #2025-06-13
 erpnext.patches.v15_0.update_pegged_currencies
 erpnext.patches.v15_0.set_status_cancelled_on_cancelled_pos_opening_entry_and_pos_closing_entry
+erpnext.patches.v15_0.set_company_on_pos_inv_merge_log
\ No newline at end of file
diff --git a/erpnext/patches/v15_0/set_company_on_pos_inv_merge_log.py b/erpnext/patches/v15_0/set_company_on_pos_inv_merge_log.py
new file mode 100644
index 00000000000..8f83898a877
--- /dev/null
+++ b/erpnext/patches/v15_0/set_company_on_pos_inv_merge_log.py
@@ -0,0 +1,12 @@
+import frappe
+
+
+def execute():
+	pos_invoice_merge_logs = frappe.db.get_all(
+		"POS Invoice Merge Log", {"docstatus": 1}, ["name", "pos_closing_entry"]
+	)
+
+	for log in pos_invoice_merge_logs:
+		if log.pos_closing_entry and frappe.db.exists("POS Closing Entry", log.pos_closing_entry):
+			company = frappe.db.get_value("POS Closing Entry", log.pos_closing_entry, "company")
+			frappe.db.set_value("POS Invoice Merge Log", log.name, "company", company)