diff --git a/openrtx/include/core/cps.h b/openrtx/include/core/cps.h
index b154090a..8c7d72f9 100644
--- a/openrtx/include/core/cps.h
+++ b/openrtx/include/core/cps.h
@@ -129,8 +129,8 @@ enum m17mode_t
 enum m17crypto_t
 {
     PLAIN     = 0,              //< No encryption, plaintext data is sent
-    AES256    = 1,              //< AES-256 Encryption
-    SCRAMBLER = 2               //< Scrambler
+    SCRAMBLER = 1,              //< Scrambler
+    AES       = 2               //< AES
 };
 
 /**