diff --git a/src/server/scripts/Northrend/IcecrownCitadel/instance_icecrown_citadel.cpp b/src/server/scripts/Northrend/IcecrownCitadel/instance_icecrown_citadel.cpp
index 427b6987d..165fde334 100644
--- a/src/server/scripts/Northrend/IcecrownCitadel/instance_icecrown_citadel.cpp
+++ b/src/server/scripts/Northrend/IcecrownCitadel/instance_icecrown_citadel.cpp
@@ -1877,6 +1877,9 @@ public:
                 case EVENT_FESTERGUT_VALVE_USED:
                     if (!(PutricideEventProgress & PUTRICIDE_EVENT_FLAG_FESTERGUT_VALVE))
                     {
+                        if (GameObject* goGas = instance->GetGameObject(GasReleaseValveGUID))
+                            goGas->SetGameObjectFlag(GO_FLAG_INTERACT_COND | GO_FLAG_NOT_SELECTABLE);
+
                         PutricideEventProgress |= PUTRICIDE_EVENT_FLAG_FESTERGUT_VALVE;
                         if (PutricideEventProgress & PUTRICIDE_EVENT_FLAG_ROTFACE_VALVE)
                         {
@@ -1894,6 +1897,9 @@ public:
                 case EVENT_ROTFACE_VALVE_USED:
                     if (!(PutricideEventProgress & PUTRICIDE_EVENT_FLAG_ROTFACE_VALVE))
                     {
+                        if (GameObject* goOoze = instance->GetGameObject(OozeReleaseValveGUID))
+                            goOoze->SetGameObjectFlag(GO_FLAG_INTERACT_COND | GO_FLAG_NOT_SELECTABLE);
+
                         PutricideEventProgress |= PUTRICIDE_EVENT_FLAG_ROTFACE_VALVE;
                         if (PutricideEventProgress & PUTRICIDE_EVENT_FLAG_FESTERGUT_VALVE)
                         {