diff --git a/lib/ace/edit_session/bracket_match.js b/lib/ace/edit_session/bracket_match.js
index 064ee3dc..b1638e81 100644
--- a/lib/ace/edit_session/bracket_match.js
+++ b/lib/ace/edit_session/bracket_match.js
@@ -117,7 +117,7 @@ function BracketMatch() {
             typeRe = new RegExp(
                 "(\\.?" +
                 token.type.replace(".", "\\.").replace("rparen", ".paren")
-                    .replace(/\b(?:end|start|begin)\b/, "")
+                    .replace(/\b(?:end)\b/, "(?:start|begin)")
                 + ")+"
             );
         }
@@ -174,7 +174,7 @@ function BracketMatch() {
             typeRe = new RegExp(
                 "(\\.?" +
                 token.type.replace(".", "\\.").replace("lparen", ".paren")
-                    .replace(/\b(?:end|start|begin)\b/, "")
+                    .replace(/\b(?:start|begin)\b/, "end")
                 + ")+"
             );
         }