diff --git a/srsue/test/upper/nas_test.cc b/srsue/test/upper/nas_test.cc
index a46369296..0819db8df 100644
--- a/srsue/test/upper/nas_test.cc
+++ b/srsue/test/upper/nas_test.cc
@@ -52,8 +52,8 @@ uint8_t auth_request_pdu[] = { 0x07, 0x52, 0x01, 0x0c, 0x63, 0xa8, 0x54, 0x13, 0
                                0x67, 0x57, 0xb3, 0xc2, 0xb9, 0x70, 0x90, 0x01, 0x0c, 0x72,
                                0x8a, 0x67, 0x57, 0x92, 0x52, 0xb8 };
 
-uint8_t sec_mode_command_pdu[] = { 0x37, 0x37, 0xc7, 0x67, 0xae, 0x00, 0x07, 0x5d, 0x02, 0x01,
-                                   0x02, 0xe0, 0x60, 0xc1 };
+uint8_t sec_mode_command_pdu[] = { 0x37, 0x4e, 0xfd, 0x57, 0x11, 0x00, 0x07, 0x5d, 0x02, 0x01,
+                                   0x02, 0xf0, 0x70, 0xc1 };
 
 uint8_t attach_accept_pdu[] = { 0x27, 0x00, 0x00, 0x00, 0x00, 0x00, 0x07, 0x42, 0x01, 0x3e,
                                 0x06, 0x00, 0x00, 0xf1, 0x10, 0x00, 0x01, 0x00, 0x2a, 0x52,