diff --git a/src/vpu-signature-pdf-upload.js b/src/vpu-signature-pdf-upload.js
index dc39cdcab50d80381d25f04d72927489a521bca6..a4c863d294f424bf9a230f5623c69c7335bc28a5 100644
--- a/src/vpu-signature-pdf-upload.js
+++ b/src/vpu-signature-pdf-upload.js
@@ -17,7 +17,7 @@ class SignaturePdfUpload extends VPUSignatureLitElement {
         super();
         this.lang = i18n.language;
         this.entryPointUrl = commonUtils.getAPiUrl();
-        this.signingUrl = this.entryPointUrl + "/officially_signed_document/sign";
+        this.signingUrl = this.entryPointUrl + "/officially_signed_documents/sign";
         this.signedFiles = [];
         this.signedFilesCount = 0;
         this.errorFiles = [];