diff --git a/arch/hexagon/include/uapi/asm/signal.h b/arch/hexagon/include/uapi/asm/signal.h
index 24b998888916a663659f0f4f8fa0befc88f40cdd..98106e55ad4ff73299a156b87e527b29bc6384b1 100644
--- a/arch/hexagon/include/uapi/asm/signal.h
+++ b/arch/hexagon/include/uapi/asm/signal.h
@@ -19,6 +19,8 @@
 #ifndef _ASM_SIGNAL_H
 #define _ASM_SIGNAL_H
 
+#include <uapi/asm/registers.h>
+
 extern unsigned long __rt_sigtramp_template[2];
 
 void do_signal(struct pt_regs *regs);