diff --git a/src/browser/base/content/zen-styles/zen-popup.css b/src/browser/base/content/zen-styles/zen-popup.css
index ae479e6d4..adc2fb884 100644
--- a/src/browser/base/content/zen-styles/zen-popup.css
+++ b/src/browser/base/content/zen-styles/zen-popup.css
@@ -56,6 +56,11 @@ panel {
   --panel-border-radius: var(--zen-native-inner-radius);
 }
 
+/* split-view popup */
+#confirmation-hint {
+  --arrowpanel-background: var(--zen-colors-primary);
+}
+
 /* app menu */
 .addon-banner-item,
 .panel-banner-item {