diff --git a/MyPSACC.py b/MyPSACC.py
index 3c48dac..fc8be6c 100644
--- a/MyPSACC.py
+++ b/MyPSACC.py
@@ -233,7 +233,7 @@ class MyPSACC:
             headers={
                 "Connection": "Keep-Alive",
                 "User-Agent": "okhttp/4.8.0",
-                "x-introspect-realm": "clientsB2CPeugeot"
+                "x-introspect-realm": self.realm
             })
         return res