diff --git a/src/server/response.cpp b/src/server/response.cpp
index a25f107d9..cb0d82304 100644
--- a/src/server/response.cpp
+++ b/src/server/response.cpp
@@ -205,7 +205,7 @@ void ContentResponse::introduce_taskbar()
   auto head_content = render_template(RESOURCE::templates::head_part_html, data);
   m_content = prependToFirstOccurence(
     m_content,
-    "</head[^>]*>",
+    "</head[ \\t]*>",
     head_content);
 
   auto taskbar_part = render_template(RESOURCE::templates::taskbar_part_html, data);