diff --git a/phpBB/styles/prosilver/template/ucp_pm_history.html b/phpBB/styles/prosilver/template/ucp_pm_history.html
index a36cccd82e..aedf488f9d 100644
--- a/phpBB/styles/prosilver/template/ucp_pm_history.html
+++ b/phpBB/styles/prosilver/template/ucp_pm_history.html
@@ -1,6 +1,6 @@
 
 <h3 id="review">
-	<span class="right-box"><a href="#review" onclick="viewableArea(getElementById('topicreview'), true);">{L_EXPAND_VIEW}</a></span>
+	<span class="right-box"><a href="#review" onclick="viewableArea(getElementById('topicreview'), true); var rev_text = getElementById('review').getElementsByTagName('a').item(0).firstChild; if  (rev_text.data == '{L_EXPAND_VIEW}'){rev_text.data = '{L_COLLAPSE_VIEW}'; return false}; if (rev_text.data == '{L_COLLAPSE_VIEW}'){rev_text.data = '{L_EXPAND_VIEW}'};">{L_EXPAND_VIEW}</a></span>
 	{L_MESSAGE_HISTORY}: {TITLE}
 </h3>