diff --git a/arch/riscv/lib/interrupts.c b/arch/riscv/lib/interrupts.c
index 075db8b..923f752 100644
--- a/arch/riscv/lib/interrupts.c
+++ b/arch/riscv/lib/interrupts.c
@@ -63,7 +63,7 @@
 
 static void _exit_trap(int code, uint epc, struct pt_regs *regs)
 {
-	static const char *exception_code[] = {
+	static const char * const exception_code[] = {
 		"Instruction address misaligned",
 		"Instruction access fault",
 		"Illegal instruction",