diff --git a/libc/bionic/strerror_r.cpp b/libc/bionic/strerror_r.cpp
index a0a0809..dad3fb3 100644
--- a/libc/bionic/strerror_r.cpp
+++ b/libc/bionic/strerror_r.cpp
@@ -12,8 +12,9 @@
 #include <signal.h>
 #include <stdio.h>
 
+#include <async_safe/log.h>
+
 #include "private/ErrnoRestorer.h"
-#include "private/libc_logging.h"
 
 struct Pair {
   int code;
@@ -57,7 +58,7 @@
   if (error_name != NULL) {
     length = strlcpy(buf, error_name, buf_len);
   } else {
-    length = __libc_format_buffer(buf, buf_len, "Unknown error %d", error_number);
+    length = async_safe_format_buffer(buf, buf_len, "Unknown error %d", error_number);
   }
   if (length >= buf_len) {
     errno_restorer.override(ERANGE);