diff --git a/unshackle/core/cdm/decrypt_labs_remote_cdm.py b/unshackle/core/cdm/decrypt_labs_remote_cdm.py
index c040362..1d50ab2 100644
--- a/unshackle/core/cdm/decrypt_labs_remote_cdm.py
+++ b/unshackle/core/cdm/decrypt_labs_remote_cdm.py
@@ -71,7 +71,7 @@ class DecryptLabsRemoteCDM(RemoteCdm):
             {
                 "init_data": self.pssh.dumps(),
                 "service_certificate": self.req_session.signed_device_certificate,
-                "scheme": "widevine",
+                "scheme": "widevine" if self.security_level == 3 else "L1", # Using L1 CDM,
                 "service": self.service_name,
             },
         )
@@ -103,7 +103,7 @@ class DecryptLabsRemoteCDM(RemoteCdm):
                     "init_data": self.pssh.dumps(),
                     "license_request": self.license_request,
                     "license_response": license_message,
-                    "scheme": "widevine",
+                    "scheme": "widevine" if self.security_level == 3 else "L1",
                 },
             )