diff --git a/src/browser-splitViews.mjs b/src/browser-splitViews.mjs
index 7fbd337..af2e55c 100644
--- a/src/browser-splitViews.mjs
+++ b/src/browser-splitViews.mjs
@@ -126,6 +126,7 @@ class SplitViewsBase extends SplitViewsUtils {
    */
   styleContainer(container, isActive, index, gridType) {
     container.removeAttribute("split-active");
+    container.setAttribute(this.config.splitIndicator, "true");
     if (isActive) {
       container.setAttribute("split-active", "true");
     }