diff --git a/lib/ace/mode/golang_highlight_rules.js b/lib/ace/mode/golang_highlight_rules.js
index 76b6141e..80f20d3b 100644
--- a/lib/ace/mode/golang_highlight_rules.js
+++ b/lib/ace/mode/golang_highlight_rules.js
@@ -12,7 +12,7 @@ define(function(require, exports, module) {
         );
         var builtinTypes = (
             "string|uint8|uint16|uint32|uint64|int8|int16|int32|int64|float32|" +
-            "float64|complex64|complex128|byte|rune|uint|int|uintptr"
+            "float64|complex64|complex128|byte|rune|uint|int|uintptr|bool"
         );
         var builtinFunctions = (
             "make|close|new"