diff --git a/beecrypt/acinclude.m4 b/beecrypt/acinclude.m4
index 7df3867..a9e36a2 100644
--- a/beecrypt/acinclude.m4
+++ b/beecrypt/acinclude.m4
@@ -1408,7 +1408,7 @@ AC_DEFUN([BEE_ASM_SOURCES],[
   echo > sha1opt.s
   if test "$ac_enable_debug" != yes; then
     case $bc_target_arch in
-    arm)
+    arm*)
       AC_CONFIG_COMMANDS([mpopt.arm],[
         m4 $srcdir/gas/mpopt.arm.m4 > mpopt.s
         ])