diff --git a/Python/random.c b/Python/random.c
--- a/Python/random.c
+++ b/Python/random.c
@@ -8,16 +8,19 @@
 #  include <fcntl.h>
 #  ifdef HAVE_SYS_STAT_H
 #    include <sys/stat.h>
 #  endif
 #  ifdef HAVE_LINUX_RANDOM_H
 #    include <linux/random.h>
 #  endif
 #  ifdef HAVE_SYS_RANDOM_H
+#    ifdef HAVE_SYS_TYPES_H
+#      include <sys/types.h>
+#    endif
 #    include <sys/random.h>
 #  endif
 #  if !defined(HAVE_GETRANDOM) && defined(HAVE_GETRANDOM_SYSCALL)
 #    include <sys/syscall.h>
 #  endif
 #endif
 
 #ifdef Py_DEBUG