diff --git a/composer.json b/composer.json
index 3a16639..b4af2ed 100644
--- a/composer.json
+++ b/composer.json
@@ -4,6 +4,9 @@
     "description": "OAuth 1 PHP Library",
     "keywords": ["oauth"],
     "homepage": "https://github.com/EHER/OAuth",
+    "psr-0": {
+        "OAuth": "src/"
+    },
     "authors": 
     {
         "name": "Andy Smith",