diff --git a/common/pdfjs/web/viewer.js b/common/pdfjs/web/viewer.js
index 76038c2..e5eef64 100644
--- a/common/pdfjs/web/viewer.js
+++ b/common/pdfjs/web/viewer.js
@@ -1798,9 +1798,9 @@ let validateFileURL;
         protocol
       } = new URL(file, window.location.href);
 
-      if (origin !== viewerOrigin && protocol !== "blob:") {
-        throw new Error("file origin does not match viewer's");
-      }
+      // if (origin !== viewerOrigin && protocol !== "blob:") {
+      //   throw new Error("file origin does not match viewer's");
+      // }
     } catch (ex) {
       const message = ex && ex.message;
       PDFViewerApplication.l10n.get("loading_error", null, "An error occurred while loading the PDF.").then(loadingErrorMessage => {