diff --git a/binaries/data/mods/public/simulation/templates/units/rome/siege_ballista_packed.xml b/binaries/data/mods/public/simulation/templates/units/rome/siege_ballista_packed.xml
index e1c35e7480..78eee74774 100644
--- a/binaries/data/mods/public/simulation/templates/units/rome/siege_ballista_packed.xml
+++ b/binaries/data/mods/public/simulation/templates/units/rome/siege_ballista_packed.xml
@@ -8,7 +8,7 @@
     </Ranged>
   </Attack>
   <Footprint replace="">
-    <Square width="10.0" depth="10.0"/>
+    <Square width="6.0" depth="14.0"/>
     <Height>5.0</Height>
   </Footprint>
   <Identity>