diff --git a/doc/doxygen/dune-doxy.css b/doc/doxygen/dune-doxy.css
index d1123deef6cb6cef8151d6a7a463bcb3906d749c..f9f2384a2f9c03c61eacb719ad3a77d47cc6c79b 100644
--- a/doc/doxygen/dune-doxy.css
+++ b/doc/doxygen/dune-doxy.css
@@ -16,7 +16,7 @@ div.header {
   padding-bottom: 12px;
   text-indent: 20px;
 
-  background: url("../pics/dune-header.png") no-repeat;
+  background: url("../../pics/dune-header.png") no-repeat;
   background-color: #c8d5ff;
   border-bottom: 1px solid #5974b5;