1 files changed, 4 insertions, 1 deletions

diff --git a/firmware/export/bidi.h b/firmware/export/bidi.h
index 36ff46c6c0..516dcfcca8 100644
--- a/firmware/export/bidi.h
+++ b/firmware/export/bidi.h
@@ -17,5 +17,8 @@
  *
  ****************************************************************************/
 #ifndef BIDI_H
+#define BIDI_H
+
 extern unsigned short *bidi_l2v(const unsigned char *str, int orientation);
-#endif
+
+#endif /* BIDI_H */