diff --git a/include/crypto/blake2s.h b/include/crypto/blake2s.h
index 23eda9b3bc4d..d439496fa6ba 100644
--- a/include/crypto/blake2s.h
+++ b/include/crypto/blake2s.h
@@ -3,8 +3,8 @@
  * Copyright (C) 2015-2019 Jason A. Donenfeld <Jason@zx2c4.com>. All Rights Reserved.
  */
 
-#ifndef BLAKE2S_H
-#define BLAKE2S_H
+#ifndef _CRYPTO_BLAKE2S_H
+#define _CRYPTO_BLAKE2S_H
 
 #include <linux/bug.h>
 #include <linux/types.h>
@@ -99,4 +99,4 @@ static inline void blake2s(u8 *out, const u8 *in, const u8 *key,
 	blake2s_final(&state, out);
 }
 
-#endif /* BLAKE2S_H */
+#endif /* _CRYPTO_BLAKE2S_H */
diff --git a/include/crypto/internal/blake2s.h b/include/crypto/internal/blake2s.h
index 941693effc7d..3ba066845b69 100644
--- a/include/crypto/internal/blake2s.h
+++ b/include/crypto/internal/blake2s.h
@@ -1,7 +1,7 @@
 /* SPDX-License-Identifier: GPL-2.0 OR MIT */
 
-#ifndef BLAKE2S_INTERNAL_H
-#define BLAKE2S_INTERNAL_H
+#ifndef _CRYPTO_INTERNAL_BLAKE2S_H
+#define _CRYPTO_INTERNAL_BLAKE2S_H
 
 #include <crypto/blake2s.h>
 
@@ -16,4 +16,4 @@ static inline void blake2s_set_lastblock(struct blake2s_state *state)
 	state->f[0] = -1;
 }
 
-#endif /* BLAKE2S_INTERNAL_H */
+#endif /* _CRYPTO_INTERNAL_BLAKE2S_H */