diff --git a/xml/xslt/css.xslt b/xml/xslt/css.xslt
index fd1117c..5acdc22 100644
--- a/xml/xslt/css.xslt
+++ b/xml/xslt/css.xslt
@@ -608,6 +608,7 @@ there.
 .errortext {
     background-color: black;
     color: <xsl:value-of select="$color_moderate"/>;
+    font-weight: bold;
 }
 
 .censoredblock, .censoredtext {