diff --git a/qse/doc/Doxyfile.in b/qse/doc/Doxyfile.in
index 5af4cbf6..2c328d3b 100644
--- a/qse/doc/Doxyfile.in
+++ b/qse/doc/Doxyfile.in
@@ -791,7 +791,7 @@ HTML_FOOTER            =
 # the style sheet file to the HTML output directory, so don't put your own 
 # stylesheet in the HTML output directory as well, or it will be erased!
 
-HTML_STYLESHEET        =  doxygen.css
+HTML_STYLESHEET        =  @abs_top_srcdir@/doc/doxygen.css
 
 # If the HTML_ALIGN_MEMBERS tag is set to YES, the members of classes, 
 # files or namespaces will be aligned in HTML using tables. If set to