diff --git a/arch/riscv/lib/interrupts.c b/arch/riscv/lib/interrupts.c
index 3b25c5b..512dce06 100644
--- a/arch/riscv/lib/interrupts.c
+++ b/arch/riscv/lib/interrupts.c
@@ -8,6 +8,7 @@
  */
 
 #include <common.h>
+#include <hang.h>
 #include <irq_func.h>
 #include <asm/ptrace.h>
 #include <asm/system.h>