diff --git a/empty.js b/empty.js
new file mode 100644
index 00000000..e499667b
--- /dev/null
+++ b/empty.js
@@ -0,0 +1 @@
+// placeholder file for nodejs
diff --git a/package.json b/package.json
index b9911d14..de8451a8 100644
--- a/package.json
+++ b/package.json
@@ -20,7 +20,8 @@
   "engines": {
     "node": ">= 0.8.0"
   },
-  "main": "./dist/picturefill",
+  "main": "empty.js",
+  "browser": "./dist/picturefill",
   "scripts": {
     "test": "grunt test --verbose"
   },