Index: binaries/data/mods/public/simulation/templates/template_structure_military_fortress.xml
===================================================================
--- binaries/data/mods/public/simulation/templates/template_structure_military_fortress.xml
+++ binaries/data/mods/public/simulation/templates/template_structure_military_fortress.xml
@@ -97,6 +97,7 @@
     </SoundGroups>
   </Sound>
   <TerritoryInfluence>
+    <Root>true</Root>
     <Radius>100</Radius>
   </TerritoryInfluence>
   <Vision>