diff --git a/mod/wiki/styles.css b/mod/wiki/styles.css
index d54754eb01f..46591c6d84a 100644
--- a/mod/wiki/styles.css
+++ b/mod/wiki/styles.css
@@ -349,3 +349,7 @@ a.wiki_edit_section {
 #page-mod-wiki-prettyview .displayprinticon {
     text-align: right;
 }
+
+#page-mod-wiki-prettyview {
+    background-image: none;
+}