diff --git a/binaries/data/mods/public/simulation/templates/structures/pers_sb2.xml b/binaries/data/mods/public/simulation/templates/structures/pers_sb2.xml
index 76ad77cc15..f98929089f 100644
--- a/binaries/data/mods/public/simulation/templates/structures/pers_sb2.xml
+++ b/binaries/data/mods/public/simulation/templates/structures/pers_sb2.xml
@@ -35,6 +35,7 @@ Train War Elephants and Kardakes mercenaries.</Tooltip>
       <death>attack/destruction/building_collapse_large.xml</death>
     </SoundGroups>
   </Sound>
+  <TerritoryDecay disable=""/>
   <TerritoryInfluence>
     <Root>false</Root>
     <Radius>38</Radius>