diff --git a/plugins/toggle_sidebar/application_side_list.png b/plugins/toggle_sidebar/application_side_list.png
deleted file mode 100644
index 248eaf1ac..000000000
Binary files a/plugins/toggle_sidebar/application_side_list.png and /dev/null differ
diff --git a/plugins/toggle_sidebar/init.php b/plugins/toggle_sidebar/init.php
index e3b2acbb3..ab7924bc5 100644
--- a/plugins/toggle_sidebar/init.php
+++ b/plugins/toggle_sidebar/init.php
@@ -19,8 +19,8 @@ class Toggle_Sidebar extends Plugin {
 		?>
 
 		<button dojoType="dijit.form.Button" onclick="Feeds.toggle()">
-			<img src="plugins/toggle_sidebar/application_side_list.png"
-				 title="<?php echo __('Collapse feedlist') ?>">
+			<i class="material-icons"
+               title="<?php echo __('Toggle feedlist') ?>">fullscreen</i>
 		</button>
 
 		<?php