diff --git a/packages/lyon1casclient/lib/src/lyon1casclient.dart b/packages/lyon1casclient/lib/src/lyon1casclient.dart
index 6b29095f..c893a1a9 100755
--- a/packages/lyon1casclient/lib/src/lyon1casclient.dart
+++ b/packages/lyon1casclient/lib/src/lyon1casclient.dart
@@ -37,7 +37,7 @@ class Lyon1CasClient {
     if (credential.tgcToken.isNotEmpty) {
       CookieJar cookieJar =
           await RequestsPlus.getStoredCookies(Constants.casLogin);
-      cookieJar["TGC"] = Cookie("TGC", credential.tgcToken);
+      cookieJar["TGC-CAS"] = Cookie("TGC-CAS", credential.tgcToken);
       await RequestsPlus.setStoredCookies(Constants.casLogin, cookieJar);
     }
     if (cookieOnly) {
diff --git a/packages/lyon1casclient/test/lyon1_cas_test.dart b/packages/lyon1casclient/test/lyon1_cas_test.dart
index fb6f9631..8413fd3e 100755
--- a/packages/lyon1casclient/test/lyon1_cas_test.dart
+++ b/packages/lyon1casclient/test/lyon1_cas_test.dart
@@ -53,6 +53,6 @@ void main() async {
     final String cookies = await authOK.getTgcToken();
 
     expect(isAuthenticated, equals(false));
-    expect(cookies, isNot(contains("TGC=")));
+    expect(cookies, isNot(contains("TGC-CAS=")));
   });
 }