diff --git a/appinfo/routes.php b/appinfo/routes.php
index 37977a684e..51dfba5c5f 100644
--- a/appinfo/routes.php
+++ b/appinfo/routes.php
@@ -162,7 +162,7 @@
 		['name' => 'attachment_ocs#getAll', 'url' => '/api/v{apiVersion}/cards/{cardId}/attachments', 'verb' => 'GET'],
 		['name' => 'attachment_ocs#create', 'url' => '/api/v{apiVersion}/cards/{cardId}/attachment', 'verb' => 'POST'],
 		['name' => 'attachment_ocs#update', 'url' => '/api/v{apiVersion}/cards/{cardId}/attachments/{attachmentId}', 'verb' => 'PUT'],
-		['name' => 'attachment_ocs#delete', 'url' => '/api/v{apiVersion}/cards/{cardId}/attachments/{attachmentId}', 'verb' => 'DELETE'],
+		['name' => 'attachment_ocs#delete', 'url' => '/api/v{apiVersion}/cards/{cardId}/attachments/{type}:{attachmentId}', 'verb' => 'DELETE'],
 		['name' => 'attachment_ocs#restore', 'url' => '/api/v{apiVersion}/cards/{cardId}/attachments/{attachmentId}/restore', 'verb' => 'PUT'],
 
 		['name' => 'Config#get', 'url' => '/api/v{apiVersion}/config', 'verb' => 'GET'],
diff --git a/src/services/AttachmentApi.js b/src/services/AttachmentApi.js
index a8374d6153..c425c6695c 100644
--- a/src/services/AttachmentApi.js
+++ b/src/services/AttachmentApi.js
@@ -56,7 +56,7 @@ export class AttachmentApi {
 	async deleteAttachment(attachment, boardId) {
 		await axios({
 			method: 'DELETE',
-			url: this.ocsUrl(`/cards/${attachment.cardId}/attachment/${attachment.type}:${attachment.id}`),
+			url: this.ocsUrl(`/cards/${attachment.cardId}/attachments/${attachment.type}:${attachment.id}`),
 			params: {
 				boardId: boardId ?? null,
 			},