diff --git a/phpBB/styles/prosilver/template/ucp_pm_history.html b/phpBB/styles/prosilver/template/ucp_pm_history.html
index 9051eb2ee0..0767920c1b 100644
--- a/phpBB/styles/prosilver/template/ucp_pm_history.html
+++ b/phpBB/styles/prosilver/template/ucp_pm_history.html
@@ -24,7 +24,7 @@
 			<h3><a href="{history_row.U_VIEW_MESSAGE}" <!-- IF history_row.S_CURRENT_MSG -->class="current"<!-- ENDIF -->>{history_row.SUBJECT}</a></h3>
 			<p class="author">{history_row.MINI_POST_IMG} {L_SENT_AT}: <strong>{history_row.SENT_DATE}</strong><br />
 				{L_MESSAGE_BY_AUTHOR} {history_row.MESSAGE_AUTHOR_FULL}</p>
-			<div class="content">{history_row.MESSAGE}</div>
+			<div class="content"><!-- IF history_row.MESSAGE -->{history_row.MESSAGE}<!-- ELSE --><span class="error">{L_MESSAGE_REMOVED_FROM_OUTBOX}</span><!-- ENDIF --></div>
 			<div id="message_{history_row.MSG_ID}" style="display: none;">{history_row.DECODED_MESSAGE}</div>
 		</div>
 
diff --git a/phpBB/styles/subsilver2/template/ucp_pm_history.html b/phpBB/styles/subsilver2/template/ucp_pm_history.html
index 8754acaaa2..bf20108f7b 100644
--- a/phpBB/styles/subsilver2/template/ucp_pm_history.html
+++ b/phpBB/styles/subsilver2/template/ucp_pm_history.html
@@ -37,7 +37,7 @@
 					<td valign="top">
 						<table width="100%" cellspacing="0" cellpadding="2">
 						<tr>
-							<td><div class="postbody">{history_row.MESSAGE}</div><div id="message_{history_row.MSG_ID}" style="display: none;">{history_row.DECODED_MESSAGE}</div></td>
+							<td><div class="postbody"><!-- IF history_row.MESSAGE -->{history_row.MESSAGE}<!-- ELSE --><span class="error">{L_MESSAGE_REMOVED_FROM_OUTBOX}</span><!-- ENDIF --></div><div id="message_{history_row.MSG_ID}" style="display: none;">{history_row.DECODED_MESSAGE}</div></td>
 						</tr>
 						</table>
 					</td>