diff --git a/kolibri/plugins/pdf_viewer/assets/src/views/PdfRendererIndex.vue b/kolibri/plugins/pdf_viewer/assets/src/views/PdfRendererIndex.vue
index fba575c9f48..3636f12e5aa 100644
--- a/kolibri/plugins/pdf_viewer/assets/src/views/PdfRendererIndex.vue
+++ b/kolibri/plugins/pdf_viewer/assets/src/views/PdfRendererIndex.vue
@@ -291,6 +291,7 @@
       const loadingPdf = PDFJSLib.getDocument({
         url: this.defaultFile.storage_url,
         worker: this.worker,
+        isEvalSupported: false,
       });
       // pass callback to update loading bar
       loadingPdf.onProgress = loadingProgress => {