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diff --git a/third_party/jpeg-xl/lib/extras/exif.h b/third_party/jpeg-xl/lib/extras/exif.h
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+// Copyright (c) the JPEG XL Project Authors. All rights reserved.
+//
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+#ifndef LIB_EXTRAS_EXIF_H_
+#define LIB_EXTRAS_EXIF_H_
+
+#include <stdint.h>
+
+#include <vector>
+
+namespace jxl {
+
+// Sets the Exif orientation to the identity, to avoid repeated orientation
+void ResetExifOrientation(std::vector<uint8_t>& exif);
+
+} // namespace jxl
+
+#endif // LIB_EXTRAS_EXIF_H_