diff --git a/theme/pdf/pdf.css b/theme/pdf/pdf.css
index e3ab1ada..70962459 100644
--- a/theme/pdf/pdf.css
+++ b/theme/pdf/pdf.css
@@ -15,7 +15,7 @@ pre[data-type="programlisting"] {
 /*hack to align sidebars to top of page*/
 .less_space {margin-top: 0 !important;}
 
-.less_space_heading > h1 {margin-top: 0 !important;}
+.less_space_heading > h2 {margin-top: 0 !important;}
 
 /*Image resizing*/
 figure.smallerninetyfive img { width: 95%; }