diff --git a/pages/ajax.render.php b/pages/ajax.render.php
index 60faee1a2..19c27a4cd 100644
--- a/pages/ajax.render.php
+++ b/pages/ajax.render.php
@@ -1732,8 +1732,7 @@ catch (Exception $e)
 {
 	// note: transform to cope with XSS attacks
 	echo htmlentities($e->GetMessage(), ENT_QUOTES, 'utf-8');
-	echo "<p>Debug trace: <pre>".$e->getTraceAsString()."</pre></p>\n";
-	IssueLog::Error($e->getMessage());
+	IssueLog::Error($e->getMessage()."\nDebug trace:\n".$e->getTraceAsString()); // Do NOT display the call stack since it may contain sensitive information
 }