--- a/test/make/configure.vm	Sat Nov 29 17:36:36 2025 +0100
+++ b/test/make/configure.vm	Sat Nov 29 18:11:18 2025 +0100
@@ -264,7 +264,7 @@
     # try to detect the correct libdir on our own, except it was changed by the user
     if test "$libdir" = '${exec_prefix}/lib'; then
         if [ "$OS" = "SunOS" ]; then
-            test -d "${exec_prefix}/lib/amd64" && libdir='${exec_prefix}/lib/amd64'
+            test -d "${exec_prefix}/lib/64" && libdir='${exec_prefix}/lib/64'
         else
             # check if the standard libdir even exists
             if test -d "${exec_prefix}/lib" ; then