diff --git a/wiiu/fs/sd_fat_devoptab.c b/wiiu/fs/sd_fat_devoptab.c
index f5b278bfae..2cee53e323 100644
--- a/wiiu/fs/sd_fat_devoptab.c
+++ b/wiiu/fs/sd_fat_devoptab.c
@@ -278,6 +278,7 @@ static ssize_t sd_fat_write_r (struct _reent *r, int fd, const char *ptr, size_t
         memcpy(tmpBuf, ptr + done, write_size);
 
         int result = FSWriteFile(file->dev->pClient, file->dev->pCmd, tmpBuf, 0x01, write_size, file->fd, 0, -1);
+        FSFlushFile(file->dev->pClient, file->dev->pCmd, file->fd, -1);
         if(result < 0)
         {
             r->_errno = result;