diff --git a/doc/HOWTO-RELEASE b/doc/HOWTO-RELEASE
index 3c7954b..06eb4db 100644
--- a/doc/HOWTO-RELEASE
+++ b/doc/HOWTO-RELEASE
@@ -17,7 +17,7 @@ How to make a new release of GNU Stow
 
       - Make sure all the following commands all run successfully:
 
-          perl Build.PL
+          perl Build.PL --prefix=/tmp/stow-test
           ./Build test
           ./Build install
           ./Build distcheck