diff --git a/src/main/java/org/olat/core/gui/components/tree/MenuTreeRenderer.java b/src/main/java/org/olat/core/gui/components/tree/MenuTreeRenderer.java
index 35f430aff60b1953cbf94bf3e25c9802e1ea4ecf..6583d2f134287777e98f1428e0ccce24eefed00c 100644
--- a/src/main/java/org/olat/core/gui/components/tree/MenuTreeRenderer.java
+++ b/src/main/java/org/olat/core/gui/components/tree/MenuTreeRenderer.java
@@ -348,7 +348,7 @@ public class MenuTreeRenderer extends DefaultComponentRenderer {
 
 		String iconCssClass = curRoot.getIconCssClass();
 		if (iconCssClass != null) {
-			target.append("<i class='o_icon ").append(iconCssClass).append("'></i> ");			
+			target.append("<i class='o_icon o_icon-fw ").append(iconCssClass).append("'></i> ");			
 		}
 		renderDisplayTitle(target, curRoot, tree);
 		// display title and close menu item