diff --git a/composer.json b/composer.json
index 7a2a2bbf..39cfa543 100644
--- a/composer.json
+++ b/composer.json
@@ -66,11 +66,16 @@
     },
     "include-path": ["phpseclib/"],
     "autoload": {
+        "psr-0": {
+            "Crypt": "phpseclib/",
+            "File": "phpseclib/",
+            "Math": "phpseclib/",
+            "Net": "phpseclib/",
+            "System": "phpseclib/"
+        },
         "files": [
+            "phpseclib/Crypt/Random.php",
             "phpseclib/bootstrap.php"
-        ],
-        "psr-4": {
-            "phpseclib\\": "phpseclib/"
-        }
+        ]
     }
 }