diff --git a/spectre-meltdown-checker.sh b/spectre-meltdown-checker.sh
index c7f4e98..c7dd628 100755
--- a/spectre-meltdown-checker.sh
+++ b/spectre-meltdown-checker.sh
@@ -1,5 +1,5 @@
 #! /bin/sh
-# SPDX-License-Identifier: GPL-3.0
+# SPDX-License-Identifier: GPL-3.0-only
 #
 # Spectre & Meltdown checker
 #