diff --git a/extmod/vfs_posix.c b/extmod/vfs_posix.c
index 4ef761956..d943e0c80 100644
--- a/extmod/vfs_posix.c
+++ b/extmod/vfs_posix.c
@@ -31,6 +31,7 @@
 
 #if MICROPY_VFS_POSIX
 
+#include <stdio.h>
 #include <string.h>
 #include <sys/stat.h>
 #include <dirent.h>