diff --git a/backportpackage b/backportpackage
index ed2ed58..f53eacf 100755
--- a/backportpackage
+++ b/backportpackage
@@ -86,6 +86,8 @@ def parse(args):
         p.error('You must specify a source package')
     if not opts.dest_releases:
         p.error('You must specify at least one destination release')
+    if not opts.upload or opts.build:
+        p.error('Nothing to do')
 
     return opts, args