diff --git a/lib/lexer.js b/lib/lexer.js
index 0ced9550..4764bf64 100644
--- a/lib/lexer.js
+++ b/lib/lexer.js
@@ -48,7 +48,7 @@
       }
       forcedIdentifier = colon || (prev = last(this.tokens)) && (((_ref2 = prev[0]) === '.' || _ref2 === '?.' || _ref2 === '::') || !prev.spaced && prev[0] === '@');
       tag = 'IDENTIFIER';
-      if (__indexOf.call(JS_KEYWORDS, id) >= 0 || !forcedIdentifier && __indexOf.call(COFFEE_KEYWORDS, id) >= 0) {
+      if (!forcedIdentifier && (__indexOf.call(JS_KEYWORDS, id) >= 0 || __indexOf.call(COFFEE_KEYWORDS, id) >= 0)) {
         tag = id.toUpperCase();
         if (tag === 'WHEN' && (_ref3 = this.tag(), __indexOf.call(LINE_BREAK, _ref3) >= 0)) {
           tag = 'LEADING_WHEN';
diff --git a/src/lexer.coffee b/src/lexer.coffee
index a168e8bf..acc79598 100644
--- a/src/lexer.coffee
+++ b/src/lexer.coffee
@@ -84,8 +84,7 @@ exports.Lexer = class Lexer
       not prev.spaced and prev[0] is '@')
     tag = 'IDENTIFIER'
 
-    if id in JS_KEYWORDS or
-       not forcedIdentifier and id in COFFEE_KEYWORDS
+    if not forcedIdentifier and (id in JS_KEYWORDS or id in COFFEE_KEYWORDS)
       tag = id.toUpperCase()
       if tag is 'WHEN' and @tag() in LINE_BREAK
         tag = 'LEADING_WHEN'