diff --git a/binaries/data/mods/public/simulation/templates/template_unit_mechanical_siege_onager.xml b/binaries/data/mods/public/simulation/templates/template_unit_mechanical_siege_onager.xml
index ce0590c392..214924b8d0 100644
--- a/binaries/data/mods/public/simulation/templates/template_unit_mechanical_siege_onager.xml
+++ b/binaries/data/mods/public/simulation/templates/template_unit_mechanical_siege_onager.xml
@@ -6,8 +6,8 @@
     <Tooltip>Bonused vs. Structures and Massed Infantry.</Tooltip>
   </Identity>
   <Cost>
-    <Resources>
     <BuildTime>60</BuildTime>
+    <Resources>
       <wood>330</wood>
       <stone>80</stone>
     </Resources>