diff --git a/src/server/game/Battlegrounds/Zones/BattlegroundIC.cpp b/src/server/game/Battlegrounds/Zones/BattlegroundIC.cpp
index d4924f7f2..2d43dbdf4 100644
--- a/src/server/game/Battlegrounds/Zones/BattlegroundIC.cpp
+++ b/src/server/game/Battlegrounds/Zones/BattlegroundIC.cpp
@@ -745,6 +745,13 @@ void BattlegroundIC::HandleContestedNodes(ICNodePoint* nodePoint)
             (*itr)->SetUnitFlag(UNIT_FLAG_NOT_SELECTABLE);
         }
     }
+    else if (nodePoint->nodeType == NODE_TYPE_REFINERY || nodePoint->nodeType == NODE_TYPE_QUARRY)
+    {
+        // nodePoint->faction is the assaulting team (set before this call);
+        // remove the siege damage buff from the team that previously controlled the node.
+        uint32 auraSpellId = (nodePoint->nodeType == NODE_TYPE_REFINERY) ? SPELL_OIL_REFINERY : SPELL_QUARRY;
+        RemoveAuraOnTeam(auraSpellId, GetOtherTeamId(nodePoint->faction));
+    }
     else if (nodePoint->nodeType == NODE_TYPE_WORKSHOP)
     {
         DelObject(BG_IC_GO_SEAFORIUM_BOMBS_1);