diff --git a/src/libsodium/Makefile.am b/src/libsodium/Makefile.am
index 201c0bd3..be775006 100644
--- a/src/libsodium/Makefile.am
+++ b/src/libsodium/Makefile.am
@@ -273,7 +273,7 @@ noinst_LTLIBRARIES =  libaesni.la libsse2.la
 
 libaesni_la_LDFLAGS = $(libsodium_la_LDFLAGS)
 libaesni_la_CPPFLAGS = $(libsodium_la_CPPFLAGS) \
-	@CFLAGS_SSE4_1@ @CFLAGS_AESNI@ @CFLAGS_PCLMUL@
+	@CFLAGS_SSSE3@ @CFLAGS_SSE4_1@ @CFLAGS_AESNI@ @CFLAGS_PCLMUL@
 
 libaesni_la_SOURCES = \
 	crypto_aead/aes256gcm/aesni/aead_aes256gcm_aesni.c
diff --git a/src/libsodium/crypto_aead/aes256gcm/aesni/aead_aes256gcm_aesni.c b/src/libsodium/crypto_aead/aes256gcm/aesni/aead_aes256gcm_aesni.c
index 5cb17fbc..05b49459 100644
--- a/src/libsodium/crypto_aead/aes256gcm/aesni/aead_aes256gcm_aesni.c
+++ b/src/libsodium/crypto_aead/aes256gcm/aesni/aead_aes256gcm_aesni.c
@@ -13,6 +13,7 @@
 
 #ifdef HAVE_WMMINTRIN_H
 
+#pragma GCC target("ssse3")
 #pragma GCC target("sse4.1")
 #pragma GCC target("aes")
 #pragma GCC target("pclmul")