1 files changed, 1 insertions, 1 deletions
diff --git a/siphash.c b/siphash.c
index c100b14ee7..2018ade431 100644
--- a/siphash.c
+++ b/siphash.c
@@ -29,7 +29,7 @@
 
 #ifndef UNALIGNED_WORD_ACCESS
 # if defined(__i386) || defined(__i386__) || defined(_M_IX86) || \
-     defined(__x86_64) || defined(__x86_64__) || defined(_M_AMD86) || \
+     defined(__x86_64) || defined(__x86_64__) || defined(_M_AMD64) || \
      defined(__mc68020__)
 #   define UNALIGNED_WORD_ACCESS 1
 # endif