diff --git a/apps/red-ui/src/assets/pdftron/stylesheet.css b/apps/red-ui/src/assets/pdftron/stylesheet.css
index 1003f8cc9..7bf216e9f 100644
--- a/apps/red-ui/src/assets/pdftron/stylesheet.css
+++ b/apps/red-ui/src/assets/pdftron/stylesheet.css
@@ -38,7 +38,7 @@
     border: 2px solid #dd4d5080;
 }
 
-.AnnotationPopup {
+.Popup {
     --component-background: white;
     --popup-button-hover: #e7edf3;
 }