diff --git a/web/viewer-geckoview.html b/web/viewer-geckoview.html
index b7bb83c0e..9461b9421 100644
--- a/web/viewer-geckoview.html
+++ b/web/viewer-geckoview.html
@@ -88,6 +88,7 @@ See https://github.com/adobe-type-tools/cmap-resources
           "web-print_service": "./pdf_print_service.js",
           "web-secondary_toolbar": "./stubs-geckoview.js",
           "web-signature_manager": "./stubs-geckoview.js",
+          "web-digital_signature_properties_manager": "./digital_signature_properties_manager.js",
           "web-toolbar": "./toolbar-geckoview.js",
           "web-views_manager": "./stubs-geckoview.js"
         }