diff --git a/plugins/ant/ant.plugin.zsh b/plugins/ant/ant.plugin.zsh
index 45f2b06eb..38d13f2a8 100644
--- a/plugins/ant/ant.plugin.zsh
+++ b/plugins/ant/ant.plugin.zsh
@@ -1,6 +1,6 @@
 _ant_does_target_list_need_generating () {
   [ ! -f .ant_targets ] && return 0;
-  [ .ant_targets -nt build.xml ] && return 0;
+  [ build.xml -nt .ant_targets ] && return 0;
   return 1;
 }