diff --git a/arch/x86/cpu/intel_common/p2sb.c b/arch/x86/cpu/intel_common/p2sb.c
index e6edab0..3765eee 100644
--- a/arch/x86/cpu/intel_common/p2sb.c
+++ b/arch/x86/cpu/intel_common/p2sb.c
@@ -180,7 +180,7 @@
 	return 0;
 }
 
-struct p2sb_ops p2sb_ops = {
+static const struct p2sb_ops p2sb_ops = {
 	.set_hide	= intel_p2sb_set_hide,
 };