diff --git a/arch/mips/kernel/sysrq.c b/arch/mips/kernel/sysrq.c
index e5a2a6ab71ac..9c1a2019113b 100644
--- a/arch/mips/kernel/sysrq.c
+++ b/arch/mips/kernel/sysrq.c
@@ -52,7 +52,7 @@ static void sysrq_handle_tlbdump(int key)
 #endif
 }
 
-static struct sysrq_key_op sysrq_tlbdump_op = {
+static const struct sysrq_key_op sysrq_tlbdump_op = {
 	.handler        = sysrq_handle_tlbdump,
 	.help_msg       = "show-tlbs(x)",
 	.action_msg     = "Show TLB entries",