diff --git a/misc/factor.sh b/misc/factor.sh
index 63b10ce987..afcccaef09 100755
--- a/misc/factor.sh
+++ b/misc/factor.sh
@@ -165,6 +165,7 @@ find_architecture() {
     case $uname_m in
        i386) ARCH=x86;;
        i686) ARCH=x86;;
+       amd64) ARCH=x86;;
        *86) ARCH=x86;;
        *86_64) ARCH=x86;;
        "Power Macintosh") ARCH=ppc;;