diff --git a/lib/libc/stdio/xprintf_errno.c b/lib/libc/stdio/xprintf_errno.c
index db897328f0f..c63a7afd35e 100644
--- a/lib/libc/stdio/xprintf_errno.c
+++ b/lib/libc/stdio/xprintf_errno.c
@@ -38,7 +38,8 @@
 #include "printf.h"
 
 int
-__printf_arginfo_errno(const struct printf_info *pi __unused, size_t n, int *argt)
+__printf_arginfo_errno(const struct printf_info *pi __unused, size_t n,
+    int *argt)
 {
 
 	assert(n >= 1);
@@ -47,7 +48,8 @@ __printf_arginfo_errno(const struct printf_info *pi __unused, size_t n, int *arg
 }
 
 int
-__printf_render_errno(struct __printf_io *io, const struct printf_info *pi __unused, const void *const *arg)
+__printf_render_errno(struct __printf_io *io, const struct printf_info *pi
+    __unused, const void *const *arg)
 {
 	int ret, error;
 	char buf[64];