Roo/bootstrap/NavHeaderbar.js

diff --git a/Roo/bootstrap/NavHeaderbar.js b/Roo/bootstrap/NavHeaderbar.js
index 0c7f226..d64fc7b 100644 (file)
--- a/Roo/bootstrap/NavHeaderbar.js
+++ b/Roo/bootstrap/NavHeaderbar.js
@@ -93,7 +93,7 @@ Roo.extend(Roo.bootstrap.NavHeaderbar, Roo.bootstrap.NavSimplebar,  {
         
         cn.push({
             tag: 'div',
-            cls: Roo.bootstrap.version == 4  ? 'nav flex-row' : 'collapse navbar-collapse',
+            cls: Roo.bootstrap.version == 4  ? 'nav flex-row roo-navbar-collapse' : 'collapse navbar-collapse',
             cn : []
         });