diff --git a/tests/testgen/testgen_header.S b/tests/testgen/testgen_header.S
index 4129782f..44a74f5d 100644
--- a/tests/testgen/testgen_header.S
+++ b/tests/testgen/testgen_header.S
@@ -1,21 +1,12 @@
 //
 // Copyright (C) 2021 Harvey Mudd College & Oklahoma State University
 //
-// Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation
-// files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, 
-// modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software 
-// is furnished to do so, subject to the following conditions:
-//
-// The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
-//
-// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES 
-// OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS 
-// BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT 
-// OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+// SPDX-License-Identifier: Apache-2.0 WITH SHL-2.1
 ///////////////////////////////////////////
 
 #include "model_test.h"
 #include "arch_test.h"
+RVTEST_ISA("RV64I")
 
 .section .text.init
 .globl rvtest_entry_point