diff --git a/debian/templates/patch.apply.in b/debian/templates/patch.apply.in
index 51548facb..21e80cac2 100644
--- a/debian/templates/patch.apply.in
+++ b/debian/templates/patch.apply.in
@@ -49,6 +49,9 @@ class MatchExtra(object):
 
         return ret_arch and ret_featureset
 
+    def __nonzero__(self):
+        return self.arch is not None or self.featureset is not None
+
     def info(self):
         ret = []
         if self.matched_arch: