diff --git a/package.json b/package.json
index 21b9631..3318425 100644
--- a/package.json
+++ b/package.json
@@ -7,6 +7,7 @@
     "name": "Jeff Harrell",
     "url": "https://github.com/jeffharrell/"
   },
+  "main": "src/paypal-button.js",
   "contributors": [
     {
       "name": "Mark Stuart",