diff --git a/configure b/configure
index c875ae4569..e147b835a9 100755
--- a/configure
+++ b/configure
@@ -365,7 +365,7 @@ case "$cpu" in
   alpha)
     cpu="alpha"
   ;;
-  "Power Macintosh"|ppc|powerpc)
+  "Power Macintosh"|ppc|ppc64|powerpc)
     cpu="powerpc"
   ;;
   mips|mipsel|IP*)