diff --git a/src/main/java/net/aufdemrand/denizen/objects/dInventory.java b/src/main/java/net/aufdemrand/denizen/objects/dInventory.java
index aa6afa52d9..d9752dbfdd 100644
--- a/src/main/java/net/aufdemrand/denizen/objects/dInventory.java
+++ b/src/main/java/net/aufdemrand/denizen/objects/dInventory.java
@@ -215,7 +215,10 @@ else if (holder instanceof Entity) {
             }
             else {
                 idType = "location";
-                idHolder = getLocation().identify();
+                if (getLocation() != null)
+                    idHolder = getLocation().identify();
+                else
+                    idHolder = "null";
             }
         }
         else {
diff --git a/src/main/java/net/aufdemrand/denizen/scripts/commands/entity/PushCommand.java b/src/main/java/net/aufdemrand/denizen/scripts/commands/entity/PushCommand.java
index 430c6d1c7b..be59655a3f 100644
--- a/src/main/java/net/aufdemrand/denizen/scripts/commands/entity/PushCommand.java
+++ b/src/main/java/net/aufdemrand/denizen/scripts/commands/entity/PushCommand.java
@@ -216,7 +216,8 @@ public void run() {
                                 scriptEntry.getPlayer(),
                                 scriptEntry.getNPC());
                         ScriptQueue queue = InstantQueue.getQueue(ScriptQueue._getNextId()).addEntries(entries);
-                        queue.addDefinition("location", lastEntity.getLocation().identify());
+                        if (lastEntity.getLocation() != null)
+                            queue.addDefinition("location", lastEntity.getLocation().identify());
                         queue.addDefinition("pushed_entities", entityList.toString());
                         queue.addDefinition("last_entity", lastEntity.identify());
                         queue.start();
diff --git a/src/main/java/net/aufdemrand/denizen/scripts/containers/core/WorldScriptHelper.java b/src/main/java/net/aufdemrand/denizen/scripts/containers/core/WorldScriptHelper.java
index 33a0758598..91b173bd67 100644
--- a/src/main/java/net/aufdemrand/denizen/scripts/containers/core/WorldScriptHelper.java
+++ b/src/main/java/net/aufdemrand/denizen/scripts/containers/core/WorldScriptHelper.java
@@ -2647,18 +2647,12 @@ public void inventoryCloseEvent(InventoryCloseEvent event) {
         Player player = (Player) event.getPlayer();
         String type = event.getInventory().getType().name();
 
-        // TODO: Find out why this would ever throw an NPE (Issue #450) - then prevent that NPE
-        try {
-            context.put("inventory", new dInventory(event.getInventory()));
+        context.put("inventory", new dInventory(event.getInventory()));
 
-            doEvents(Arrays.asList
-                    ("player closes inventory",
-                            "player closes " + type),
-                    null, player, context);
-        }
-        catch (NullPointerException e) {
-            dB.echoError("Ignoring error #450, bug the developers about this...");
-        }
+        doEvents(Arrays.asList
+                ("player closes inventory",
+                        "player closes " + type),
+                null, player, context);
     }
 
     // <--[event]