diff --git a/configure.ac b/configure.ac
index 33948fd7760..ae0c0d2a2eb 100644
--- a/configure.ac
+++ b/configure.ac
@@ -724,7 +724,7 @@ case "${canonical}" in
   *-apple-darwin* )
     case "${canonical}" in
       *-apple-darwin[0-9].*) unported=yes ;;
-      i[3456]86-* | x86_64-* | arm-* )  ;;
+      i[3456]86-* | x86_64-* | arm-* | aarch64-* )  ;;
       * )            unported=yes ;;
     esac
     opsys=darwin