diff --git a/tools/include/nolibc/errno.h b/tools/include/nolibc/errno.h
index 9dc4919c769b7..a44486ff04774 100644
--- a/tools/include/nolibc/errno.h
+++ b/tools/include/nolibc/errno.h
@@ -9,11 +9,9 @@
 
 #include <asm/errno.h>
 
-/* this way it will be removed if unused */
-static int errno;
-
 #ifndef NOLIBC_IGNORE_ERRNO
 #define SET_ERRNO(v) do { errno = (v); } while (0)
+int errno __attribute__((weak));
 #else
 #define SET_ERRNO(v) do { } while (0)
 #endif