diff --git a/CHANGES.md b/CHANGES.md
index 8fba0b1..068e91a 100644
--- a/CHANGES.md
+++ b/CHANGES.md
@@ -8,6 +8,7 @@ Known issues:
 
 ## bunyan 1.3.4 (not yet released)
 
+- [issue #219] Hide 'source-map-support' require from browserify.
 - [issue #218] Reset `haveNonRawStreams` on `<logger>.addStream`.
 
 
diff --git a/lib/bunyan.js b/lib/bunyan.js
index f7b4d9e..c74c108 100644
--- a/lib/bunyan.js
+++ b/lib/bunyan.js
@@ -60,7 +60,8 @@ var isBrowser = function () {
         return typeof (window) !== 'undefined' && this === window; }();
 
 try {
-    var sourceMapSupport = require('source-map-support');
+    /* Use `+ ''` to hide this import from browserify. */
+    var sourceMapSupport = require('source-map-support' + '');
 } catch (_) {
     sourceMapSupport = null;
 }