diff --git a/tools/include/nolibc/arch-s390.h b/tools/include/nolibc/arch-s390.h
index 5d60fd43f883..f72df614db3a 100644
--- a/tools/include/nolibc/arch-s390.h
+++ b/tools/include/nolibc/arch-s390.h
@@ -10,6 +10,7 @@
 
 #include "compiler.h"
 #include "crt.h"
+#include "std.h"
 
 /* Syscalls for s390:
  *   - registers are 64-bit