diff --git a/src/libsodium/crypto_stream/salsa20/xmm6int/u0.h b/src/libsodium/crypto_stream/salsa20/xmm6int/u0.h
index d94a0023..8244081f 100644
--- a/src/libsodium/crypto_stream/salsa20/xmm6int/u0.h
+++ b/src/libsodium/crypto_stream/salsa20/xmm6int/u0.h
@@ -13,7 +13,7 @@ if (bytes > 0) {
     uint32_t in9;
 
     a0 = diag1;
-    for (i = 0; i < 20; i += 4) {
+    for (i = 0; i < ROUNDS; i += 4) {
         a0    = _mm_add_epi32(a0, diag0);
         a1    = diag0;
         b0    = a0;
diff --git a/src/libsodium/crypto_stream/salsa20/xmm6int/u1.h b/src/libsodium/crypto_stream/salsa20/xmm6int/u1.h
index 5f3683c6..c245d956 100644
--- a/src/libsodium/crypto_stream/salsa20/xmm6int/u1.h
+++ b/src/libsodium/crypto_stream/salsa20/xmm6int/u1.h
@@ -11,7 +11,7 @@ while (bytes >= 64) {
     int      i;
 
     a0 = diag1;
-    for (i = 0; i < 20; i += 4) {
+    for (i = 0; i < ROUNDS; i += 4) {
         a0    = _mm_add_epi32(a0, diag0);
         a1    = diag0;
         b0    = a0;
diff --git a/src/libsodium/crypto_stream/salsa20/xmm6int/u4.h b/src/libsodium/crypto_stream/salsa20/xmm6int/u4.h
index 2186b65f..daabfdfe 100644
--- a/src/libsodium/crypto_stream/salsa20/xmm6int/u4.h
+++ b/src/libsodium/crypto_stream/salsa20/xmm6int/u4.h
@@ -96,7 +96,7 @@ if (bytes >= 256) {
         z4  = orig4;
         z8  = orig8;
 
-        for (i = 0; i < 20; i += 2) {
+        for (i = 0; i < ROUNDS; i += 2) {
             /* the inner loop is a direct translation (regexp search/replace)
              * from the amd64-xmm6 ASM */
             __m128i r0, r1, r2, r3, r4, r5, r6, r7, r8, r9, r10, r11, r12, r13,