diff --git a/include/linux/binfmts.h b/include/linux/binfmts.h
index 2046b5b..aece486 100644
--- a/include/linux/binfmts.h
+++ b/include/linux/binfmts.h
@@ -120,7 +120,7 @@
 extern int prepare_bprm_creds(struct linux_binprm *bprm);
 extern void install_exec_creds(struct linux_binprm *bprm);
 extern void do_coredump(long signr, int exit_code, struct pt_regs *regs);
-extern int set_binfmt(struct linux_binfmt *new);
+extern void set_binfmt(struct linux_binfmt *new);
 extern void free_bprm(struct linux_binprm *);
 
 #endif /* __KERNEL__ */