diff --git a/include/functions.php b/include/functions.php
index e914ac365..96b502d58 100644
--- a/include/functions.php
+++ b/include/functions.php
@@ -3350,6 +3350,9 @@
 			$rv['content'] .= "<div id=\"PTITLE-$id\" style=\"display : none\">" .
 				truncate_string(strip_tags($line['title']), 15) . "</div>";
 
+			$rv['content'] .= "<div id=\"PTITLE-FULL-$id\" style=\"display : none\">" .
+				strip_tags($line['title']) . "</div>";
+
 			$rv['content'] .= "<div class=\"postReply\" id=\"POST-$id\">";
 
 			$rv['content'] .= "<div onclick=\"return postClicked(event, $id)\"
diff --git a/js/functions.js b/js/functions.js
index 0b0b475c6..b2d79dc56 100644
--- a/js/functions.js
+++ b/js/functions.js
@@ -1058,6 +1058,17 @@ function quickAddFilter() {
 			href: query});
 
 		dialog.show();
+
+		var lh = dojo.connect(dialog, "onLoad",
+				function() {
+					dojo.disconnect(lh);
+					var title = $("PTITLE-FULL-" + active_post_id);
+
+					if (title) {
+						$("filterDlg_regExp").value = title.innerHTML;
+					}
+			});
+
 	} catch (e) {
 		exception_error("quickAddFilter", e);
 	}