diff --git a/phpBB/styles/prosilver/template/navbar_header.html b/phpBB/styles/prosilver/template/navbar_header.html
index d84a33bf22..a83cd5b0a2 100644
--- a/phpBB/styles/prosilver/template/navbar_header.html
+++ b/phpBB/styles/prosilver/template/navbar_header.html
@@ -34,7 +34,7 @@
 		<!-- EVENT overall_header_navigation_prepend -->
 		<li class="small-icon icon-faq" <!-- IF not S_USER_LOGGED_IN -->data-skip-responsive="true"<!-- ELSE -->data-last-responsive="true"<!-- ENDIF -->><a href="{U_FAQ}" title="{L_FAQ_EXPLAIN}" role="menuitem">{L_FAQ}</a></li>
 		<!-- EVENT overall_header_navigation_append -->
-		<!-- IF U_ACP --><li class="small-icon icon-acp" data-skip-responsive="true"><a href="{U_ACP}" title="{L_ACP}" role="menuitem">{L_ACP_SHORT}</a></li><!-- ENDIF -->
+		<!-- IF U_ACP --><li class="small-icon icon-acp" data-last-responsive="true"><a href="{U_ACP}" title="{L_ACP}" role="menuitem">{L_ACP_SHORT}</a></li><!-- ENDIF -->
 		<!-- IF U_MCP --><li class="small-icon icon-mcp" data-skip-responsive="true"><a href="{U_MCP}" title="{L_MCP}" role="menuitem">{L_MCP_SHORT}</a></li><!-- ENDIF -->
 
 	<!-- IF S_REGISTERED_USER -->