diff --git a/library/psa_crypto_aead.h b/library/psa_crypto_aead.h
index aab0f83..e18e85d 100644
--- a/library/psa_crypto_aead.h
+++ b/library/psa_crypto_aead.h
@@ -148,4 +148,4 @@
     const uint8_t *ciphertext, size_t ciphertext_length,
     uint8_t *plaintext, size_t plaintext_size, size_t *plaintext_length );
 
-#endif /* PSA_CRYPTO_AEAD */
+#endif /* PSA_CRYPTO_AEAD_H */