diff --git a/fs/open.c b/fs/open.c
index fca72c4..9156cb0 100644
--- a/fs/open.c
+++ b/fs/open.c
@@ -840,8 +840,8 @@
 	if (flags & __O_SYNC)
 		flags |= O_DSYNC;
 
-	if (flags & O_TMPFILE) {
-		if (!(flags & O_CREAT))
+	if (flags & __O_TMPFILE) {
+		if ((flags & O_TMPFILE_MASK) != O_TMPFILE)
 			return -EINVAL;
 		acc_mode = MAY_OPEN | ACC_MODE(flags);
 	} else if (flags & O_PATH) {