diff --git a/source/frontend/StarInventory.cpp b/source/frontend/StarInventory.cpp
index 650d2e3..71d2081 100644
--- a/source/frontend/StarInventory.cpp
+++ b/source/frontend/StarInventory.cpp
@@ -110,7 +110,7 @@ InventoryPane::InventoryPane(MainInterface* parent, PlayerPtr player, ContainerI
           auto actionData = sourceItem->instanceValue("interactData", Json());
           if (actionData.isType(Json::Type::Object))
             actionData = actionData.set("openWithInventory", false);
-          InteractAction action(actionType, m_player->entityId(), actionData);
+          InteractAction action(actionType, NullEntityId, actionData);
           m_player->interact(action);
         }
       }
diff --git a/source/frontend/StarMainInterface.cpp b/source/frontend/StarMainInterface.cpp
index 4098705..4303a28 100644
--- a/source/frontend/StarMainInterface.cpp
+++ b/source/frontend/StarMainInterface.cpp
@@ -199,10 +199,7 @@ bool MainInterface::escapeDialogOpen() const {
 void MainInterface::openCraftingWindow(Json const& config, EntityId sourceEntityId) {
   if (m_craftingWindow && m_paneManager.isDisplayed(m_craftingWindow)) {
     m_paneManager.dismissPane(m_craftingWindow);
-    bool fromPlayer = false;
-    if (auto player = m_client->mainPlayer())
-      fromPlayer = player->inWorld() && player->entityId() == sourceEntityId;
-    if (m_craftingWindow->sourceEntityId() == sourceEntityId) {
+    if (sourceEntityId != NullEntityId && m_craftingWindow->sourceEntityId() == sourceEntityId) {
       m_craftingWindow.reset();
       return;
     }
@@ -218,10 +215,7 @@ void MainInterface::openCraftingWindow(Json const& config, EntityId sourceEntity
 void MainInterface::openMerchantWindow(Json const& config, EntityId sourceEntityId) {
   if (m_merchantWindow && m_paneManager.isDisplayed(m_merchantWindow)) {
     m_paneManager.dismissPane(m_merchantWindow);
-    bool fromPlayer = false;
-    if (auto player = m_client->mainPlayer())
-      fromPlayer = player->inWorld() && player->entityId() == sourceEntityId;
-    if (!fromPlayer && m_merchantWindow->sourceEntityId() == sourceEntityId) {
+    if (sourceEntityId != NullEntityId && m_merchantWindow->sourceEntityId() == sourceEntityId) {
       m_merchantWindow.reset();
       return;
     }
@@ -426,19 +420,19 @@ void MainInterface::handleInteractAction(InteractAction interactAction) {
   } else if (interactAction.type == InteractActionType::SitDown) {
     m_client->mainPlayer()->lounge(interactAction.entityId, interactAction.data.toUInt());
   } else if (interactAction.type == InteractActionType::OpenCraftingInterface) {
-    if (!world->entity(interactAction.entityId))
+    if (interactAction.entityId != NullEntityId && !world->entity(interactAction.entityId))
       return;
 
     openCraftingWindow(interactAction.data, interactAction.entityId);
   } else if (interactAction.type == InteractActionType::OpenSongbookInterface) {
     m_paneManager.displayRegisteredPane(MainInterfacePanes::Songbook);
   } else if (interactAction.type == InteractActionType::OpenNpcCraftingInterface) {
-    if (!world->entity(interactAction.entityId))
+    if (interactAction.entityId != NullEntityId && !world->entity(interactAction.entityId))
       return;
-
+    // wait, this is literally the exact same as OpenCraftingInterface. what the fuck? lol
     openCraftingWindow(interactAction.data, interactAction.entityId);
   } else if (interactAction.type == InteractActionType::OpenMerchantInterface) {
-    if (!world->entity(interactAction.entityId))
+    if (interactAction.entityId != NullEntityId && !world->entity(interactAction.entityId))
       return;
 
     openMerchantWindow(interactAction.data, interactAction.entityId);
diff --git a/source/frontend/StarMerchantInterface.cpp b/source/frontend/StarMerchantInterface.cpp
index ec17391..51bccb6 100644
--- a/source/frontend/StarMerchantInterface.cpp
+++ b/source/frontend/StarMerchantInterface.cpp
@@ -118,7 +118,8 @@ void MerchantPane::dismissed() {
   for (auto unsold : m_itemBag->takeAll())
     m_player->giveItem(unsold);
 
-  m_worldClient->sendEntityMessage(m_sourceEntityId, "onMerchantClosed");
+  if (m_sourceEntityId != NullEntityId)
+    m_worldClient->sendEntityMessage(m_sourceEntityId, "onMerchantClosed");
 }
 
 PanePtr MerchantPane::createTooltip(Vec2I const& screenPosition) {
@@ -141,7 +142,7 @@ PanePtr MerchantPane::createTooltip(Vec2I const& screenPosition) {
 void MerchantPane::update(float dt) {
   Pane::update(dt);
 
-  if (!m_worldClient->playerCanReachEntity(m_sourceEntityId))
+  if (m_sourceEntityId != NullEntityId && !m_worldClient->playerCanReachEntity(m_sourceEntityId))
     dismiss();
 
   if (m_refreshTimer.wrapTick()) {
@@ -315,7 +316,8 @@ void MerchantPane::buy() {
     auto reportItem = m_selectedItem->clone();
     reportItem->setCount(reportItem->count() * m_buyCount, true);
     auto buySummary = JsonObject{{"item", reportItem->descriptor().toJson()}, {"total", m_buyTotal}};
-    m_worldClient->sendEntityMessage(m_sourceEntityId, "onBuy", {buySummary});
+    if (m_sourceEntityId != NullEntityId)
+      m_worldClient->sendEntityMessage(m_sourceEntityId, "onBuy", {buySummary});
 
     auto& guiContext = GuiContext::singleton();
     guiContext.playAudio(Root::singleton().assets()->json("/merchant.config:buySound").toString());