diff --git a/phpBB/styles/prosilver/template/viewtopic_topic_tools.html b/phpBB/styles/prosilver/template/viewtopic_topic_tools.html
index 87c1b8629a..95a1b1aea9 100644
--- a/phpBB/styles/prosilver/template/viewtopic_topic_tools.html
+++ b/phpBB/styles/prosilver/template/viewtopic_topic_tools.html
@@ -25,7 +25,7 @@
 				<!-- IF U_BOOKMARK_TOPIC -->
 					<li>
 						<a href="{U_BOOKMARK_TOPIC}" class="bookmark-link" title="{L_BOOKMARK_TOPIC}" data-ajax="alt_text" data-alt-text="{S_BOOKMARK_TOGGLE}" data-update-all=".bookmark-link">
-							{{ Icon('iconify', 'mdi:star-outline', S_BOOKMARK_TOPIC, false) }}
+							{{ Icon('iconify', 'mdi:heart-outline', S_BOOKMARK_TOPIC, false) }}
 						</a>
 					</li>
 				<!-- ENDIF -->