diff --git a/src/libsodium/crypto_generichash/blake2/ref/blake2b-compress-ref.c b/src/libsodium/crypto_generichash/blake2/ref/blake2b-compress-ref.c
index ce9d1d4c..c177ed17 100644
--- a/src/libsodium/crypto_generichash/blake2/ref/blake2b-compress-ref.c
+++ b/src/libsodium/crypto_generichash/blake2/ref/blake2b-compress-ref.c
@@ -1,6 +1,4 @@
 
-#define BLAKE2_USE_SSSE2
-
 #include <stdint.h>
 #include <string.h>
 
diff --git a/src/libsodium/crypto_generichash/blake2/ref/blake2b-compress-sse41.c b/src/libsodium/crypto_generichash/blake2/ref/blake2b-compress-sse41.c
index 11e38b11..b4c49f0e 100644
--- a/src/libsodium/crypto_generichash/blake2/ref/blake2b-compress-sse41.c
+++ b/src/libsodium/crypto_generichash/blake2/ref/blake2b-compress-sse41.c
@@ -1,5 +1,5 @@
 
-#define BLAKE2_USE_SSSE2
+#define BLAKE2_USE_SSSE3
 #define BLAKE2_USE_SSE41
 
 #include <stdint.h>
diff --git a/src/libsodium/crypto_generichash/blake2/ref/blake2b-compress-ssse3.c b/src/libsodium/crypto_generichash/blake2/ref/blake2b-compress-ssse3.c
index 1ac1832e..31043b18 100644
--- a/src/libsodium/crypto_generichash/blake2/ref/blake2b-compress-ssse3.c
+++ b/src/libsodium/crypto_generichash/blake2/ref/blake2b-compress-ssse3.c
@@ -1,5 +1,5 @@
 
-#define BLAKE2_USE_SSSE2
+#define BLAKE2_USE_SSSE3
 
 #include <stdint.h>
 #include <string.h>
diff --git a/src/libsodium/crypto_generichash/blake2/ref/blake2b-round.h b/src/libsodium/crypto_generichash/blake2/ref/blake2b-round.h
index e92c3fb5..0c322b18 100644
--- a/src/libsodium/crypto_generichash/blake2/ref/blake2b-round.h
+++ b/src/libsodium/crypto_generichash/blake2/ref/blake2b-round.h
@@ -14,8 +14,8 @@
 #ifndef blake2b_round_H
 #define blake2b_round_H
 
-#ifndef BLAKE2_USE_SSSE2
-# error BLAKE2_USE_SSSE2 must be defined in order to use this file
+#ifndef BLAKE2_USE_SSSE3
+# error BLAKE2_USE_SSSE3 must be defined in order to use this file
 #endif
 
 #define LOADU(p)  _mm_loadu_si128( (const __m128i *)(const void *)(p) )