1 files changed, 1 insertions, 1 deletions
diff --git a/src/main.c b/src/main.c
index 1b023fc..259b294 100644
--- a/src/main.c
+++ b/src/main.c
@@ -142,7 +142,7 @@ encrypt(const struct cpu_info *info, char *buf, size_t buf_size)
 
 #if defined(__x86_64__)
     if (info->has_sse2 || info->has_sse3) {
-        step += 8;      /* Start at 128 bits */
+        step <<= 1;         /* Start at 16 bytes (128 bits) */
     }
 #endif  /* defined(__x86_64__) */