diff --git a/src/libsodium/crypto_scalarmult/curve25519/sandy2x/sandy2x.S b/src/libsodium/crypto_scalarmult/curve25519/sandy2x/sandy2x.S
index 585804fb..eb4fe671 100644
--- a/src/libsodium/crypto_scalarmult/curve25519/sandy2x/sandy2x.S
+++ b/src/libsodium/crypto_scalarmult/curve25519/sandy2x/sandy2x.S
@@ -10,6 +10,24 @@
 #include "ladder.S"
 
 #if defined(__linux__) && defined(__ELF__)
+#if defined(__CET__)
+.section	.note.gnu.property,"a"
+.p2align 3
+.long	1f - 0f
+.long	4f - 1f
+.long	5
+0:
+.string	"GNU"
+1:
+.p2align 3
+.long	0xc0000002
+.long	3f - 2f
+2:
+.long	__CET__
+3:
+.p2align 3
+4:
+#endif
 .section .note.GNU-stack,"",%progbits
 #endif
 
diff --git a/src/libsodium/crypto_stream/salsa20/xmm6/salsa20_xmm6-asm.S b/src/libsodium/crypto_stream/salsa20/xmm6/salsa20_xmm6-asm.S
index 6d9f354e..b53a4f4a 100644
--- a/src/libsodium/crypto_stream/salsa20/xmm6/salsa20_xmm6-asm.S
+++ b/src/libsodium/crypto_stream/salsa20/xmm6/salsa20_xmm6-asm.S
@@ -956,5 +956,23 @@ jmp ._bytesbetween1and255
 #endif
 
 #if defined(__linux__) && defined(__ELF__)
+#if defined(__CET__)
+.section	.note.gnu.property,"a"
+.p2align 3
+.long	1f - 0f
+.long	4f - 1f
+.long	5
+0:
+.string	"GNU"
+1:
+.p2align 3
+.long	0xc0000002
+.long	3f - 2f
+2:
+.long	__CET__
+3:
+.p2align 3
+4:
+#endif
 .section .note.GNU-stack,"",%progbits
 #endif