diff --git a/modules/only-office/cmd/only-office/converter.go b/modules/only-office/cmd/only-office/converter.go
index 2cdc9fbb..35cba2d8 100644
--- a/modules/only-office/cmd/only-office/converter.go
+++ b/modules/only-office/cmd/only-office/converter.go
@@ -34,8 +34,10 @@ import (
 const (
 	// AsksStream is the work-queue stream's bus name: the manifest's convert-asks, capitalised with its hyphen an underscore.
 	AsksStream = "CONVERT_ASKS"
-	// ConvertPath is the document server's conversion service, reached on the machine's own published port.
-	ConvertPath = "/ConvertService.ashx"
+	// ConvertPath is the document server's conversion service, reached on the machine's own published port. The path is
+	// the one the conversion API's request page names, https://api.onlyoffice.com/docs/docs-api/additional-api/conversion-api/request/
+	// (read 2026-10-21): POST to https://documentserver/converter.
+	ConvertPath = "/converter"
 	// StaleAfter is how old an ask may be when the converter takes it: older than twice the longest wait, nobody waits.
 	StaleAfter = 2 * ConvertWait
 	// ConvertRun is how long one conversion, its fetch and its put may take.