diff --git a/arch/sh/include/asm/syscalls_32.h b/arch/sh/include/asm/syscalls_32.h
index be201fd..454538a 100644
--- a/arch/sh/include/asm/syscalls_32.h
+++ b/arch/sh/include/asm/syscalls_32.h
@@ -19,8 +19,10 @@ asmlinkage int sys_clone(unsigned long clone_flags, unsigned long newsp,
 asmlinkage int sys_vfork(unsigned long r4, unsigned long r5,
 			 unsigned long r6, unsigned long r7,
 			 struct pt_regs __regs);
-asmlinkage int sys_execve(const char __user *ufilename, char __user * __user *uargv,
-			  char __user * __user *uenvp, unsigned long r7,
+asmlinkage int sys_execve(const char __user *ufilename,
+			  const char __user *const __user *uargv,
+			  const char __user *const __user *uenvp,
+			  unsigned long r7,
 			  struct pt_regs __regs);
 asmlinkage int sys_sigsuspend(old_sigset_t mask, unsigned long r5,
 			      unsigned long r6, unsigned long r7,