diff --git a/packages/ra-ui-materialui/src/layout/UserMenu.js b/packages/ra-ui-materialui/src/layout/UserMenu.js
index <HASH>..<HASH> 100644
--- a/packages/ra-ui-materialui/src/layout/UserMenu.js
+++ b/packages/ra-ui-materialui/src/layout/UserMenu.js
@@ -53,7 +53,7 @@ class UserMenu extends React.Component {
                         color="inherit"
                         onClick={this.handleMenu}
                     >
-                        {icon && cloneElement(icon)}
+                        {icon}
                     </IconButton>
                 </Tooltip>
                 <Menu
Don't extra clone icon