diff --git a/src/pyload/core/__init__.py b/src/pyload/core/__init__.py
index 4324fc700..f7fcd66ec 100644
--- a/src/pyload/core/__init__.py
+++ b/src/pyload/core/__init__.py
@@ -46,8 +46,8 @@ class Exit(Exception):
 #  improve external scripts
 class Core:
     LOCALE_DOMAIN = APPID
-    DEFAULT_USERNAME = APPID
-    DEFAULT_PASSWORD = APPID
+    DEFAULT_USERNAME = os.getenv("PYLOAD_DEFAULT_USERNAME", APPID)
+    DEFAULT_PASSWORD = os.getenv("PYLOAD_DEFAULT_PASSWORD", APPID)
     DEFAULT_DATADIR = os.path.join(
         os.getenv("APPDATA") or USERHOMEDIR, "pyLoad" if os.name == "nt" else ".pyload"
     )