1 files changed, 7 insertions, 7 deletions
diff --git a/lib/libc/stdio/fileno.c b/lib/libc/stdio/fileno.c
index 09db0ad5..ad3eda7f 100644
--- a/lib/libc/stdio/fileno.c
+++ b/lib/libc/stdio/fileno.c
@@ -1,15 +1,15 @@
-#include <io.h>
-#include <errno.h>
-#include <atomic.h>
-#include <stdio.h>
+#include <atomic.h> // for LIBC_LOCK, LIBC_UNLOCK
+#include <errno.h>  // for EBADF, errno
+#include <libc.h>   // for __IMPL
+#include <stdio.h>  // for FILE, fileno
 
 int fileno(FILE *stream)
 {
 	int fd;
 
-	LIBC_LOCK(stream->lock);
-	fd = stream->fd;
-	LIBC_UNLOCK(stream->lock);
+	LIBC_LOCK(__IMPL(stream)->lock);
+	fd = __IMPL(stream)->fd;
+	LIBC_UNLOCK(__IMPL(stream)->lock);
 
 	if (fd < 0) {
 		errno = EBADF;