diff --git a/src/libsodium/crypto_stream/chacha20/dolbeau/u8.h b/src/libsodium/crypto_stream/chacha20/dolbeau/u8.h
index b766800f..22bf9fcf 100644
--- a/src/libsodium/crypto_stream/chacha20/dolbeau/u8.h
+++ b/src/libsodium/crypto_stream/chacha20/dolbeau/u8.h
@@ -200,8 +200,7 @@ if (bytes >= 512) {
         in12   = x[12];
         in13   = x[13];
         in1213 = ((uint64_t) in12) | (((uint64_t) in13) << 32);
-        x_12   = _mm256_broadcastq_epi64(_mm_cvtsi64_si128(in1213));
-        x_13   = _mm256_broadcastq_epi64(_mm_cvtsi64_si128(in1213));
+        x_12   = x_13 = _mm256_broadcastq_epi64(_mm_cvtsi64_si128(in1213));
 
         t12 = _mm256_add_epi64(addv12, x_12);
         t13 = _mm256_add_epi64(addv13, x_13);
diff --git a/src/libsodium/crypto_stream/salsa20/xmm6int/u8.h b/src/libsodium/crypto_stream/salsa20/xmm6int/u8.h
index 14a29a7e..4be5bc4e 100644
--- a/src/libsodium/crypto_stream/salsa20/xmm6int/u8.h
+++ b/src/libsodium/crypto_stream/salsa20/xmm6int/u8.h
@@ -55,8 +55,7 @@ if (bytes >= 512) {
         in9  = x[13]; /* see arrays above for the address translation */
         in89 = ((uint64_t) in8) | (((uint64_t) in9) << 32);
 
-        z8 = _mm256_broadcastq_epi64(_mm_cvtsi64_si128(in89));
-        z9 = _mm256_broadcastq_epi64(_mm_cvtsi64_si128(in89));
+        z8 = z9 = _mm256_broadcastq_epi64(_mm_cvtsi64_si128(in89));
 
         t8 = _mm256_add_epi64(addv8, z8);
         t9 = _mm256_add_epi64(addv9, z9);