diff --git a/scienceworld/scienceworld.jar b/scienceworld/scienceworld.jar
index d1967fa..3b9d980 100644
Binary files a/scienceworld/scienceworld.jar and b/scienceworld/scienceworld.jar differ
diff --git a/scripts/reproduce_issue_82.py b/scripts/reproduce_issue_82.py
new file mode 100644
index 0000000..bf8ae58
--- /dev/null
+++ b/scripts/reproduce_issue_82.py
@@ -0,0 +1,11 @@
+from scienceworld import ScienceWorldEnv
+
+
+env = ScienceWorldEnv("1-1")
+try:
+    _, info = env.reset()
+    for action in info["valid"]:
+        if action.startswith("open ") and "door" in action:
+            print(action)
+finally:
+    env.close()
diff --git a/simulator/src/main/scala/scienceworld/input/InputParser.scala b/simulator/src/main/scala/scienceworld/input/InputParser.scala
index fa7782c..9ea87da 100644
--- a/simulator/src/main/scala/scienceworld/input/InputParser.scala
+++ b/simulator/src/main/scala/scienceworld/input/InputParser.scala
@@ -5,6 +5,7 @@ import language.runtime.runners.{ActionRunner, PredicateRunner}
 import language.struct.{DynamicValue, ScopedVariableLUT}
 import scienceworld.actions.Action
 import scienceworld.objects.agent.Agent
+import scienceworld.objects.portal.Portal
 import scienceworld.struct.EnvObject
 import scienceworld.tasks.goals.{GoalSequence, ObjMonitor}
 import util.UniqueTypeID
@@ -114,7 +115,10 @@ class InputParser(actionRequestDefs:Array[ActionRequestDef]) {
     // Step 2A: Populate an array of the unique referents (as strings)
     val out = new ArrayBuffer[(String, EnvObject)]()
     for (i <- 0 until allObjs.length) {
-      val referent = uniqueReferents(i)
+      val referent = allObjs(i) match {
+        case portal:Portal => portal.getCanonicalReferent(perspectiveContainer)
+        case _ => uniqueReferents(i)
+      }
       out.append( (referent.toLowerCase(), allObjs(i)) )
     }
 
diff --git a/simulator/src/main/scala/scienceworld/objects/portal/Portal.scala b/simulator/src/main/scala/scienceworld/objects/portal/Portal.scala
index bd7dea8..ab5b915 100644
--- a/simulator/src/main/scala/scienceworld/objects/portal/Portal.scala
+++ b/simulator/src/main/scala/scienceworld/objects/portal/Portal.scala
@@ -103,6 +103,15 @@ class Portal (val _isOpen:Boolean, val connectsFrom:EnvObject, val connectsTo:En
     return Set(this.name, this.name + " from " + connectsFrom.name + " to " + connectsTo.name, this.name + " from " + connectsTo.name + " to " + connectsFrom.name)
   }
 
+  def getCanonicalReferent(perspectiveContainer:EnvObject):String = {
+    val connectsToContainer = this.getConnectsTo(perspectiveContainer)
+    if (connectsToContainer.isDefined) {
+      return this.name + " to " + connectsToContainer.get.name
+    }
+
+    return this.name + " from " + connectsFrom.name + " to " + connectsTo.name
+  }
+
   override def getDescriptName(overrideName: String): String = {
     return "door between " + this.connectsFrom.name + " and " + this.connectsTo.name
   }
diff --git a/tests/test_scienceworld.py b/tests/test_scienceworld.py
index de5bd92..8acfeef 100644
--- a/tests/test_scienceworld.py
+++ b/tests/test_scienceworld.py
@@ -121,6 +121,31 @@ def test_multiple_instances():
     assert obs1_2 == obs2_2
 
 
+def test_door_actions_use_canonical_referents():
+    env = ScienceWorldEnv("1-1")
+    try:
+        _, info = env.reset()
+        door_actions = {
+            action for action in info["valid"]
+            if action.startswith("open ") and "door" in action
+        }
+        assert door_actions == {
+            "open door to art studio",
+            "open door to bedroom",
+            "open door to greenhouse",
+            "open door to kitchen",
+            "open door to living room",
+            "open door to workshop",
+        }
+
+        for action in ("open bedroom door", "open door to bedroom"):
+            env.reset()
+            observation, _, _, _ = env.step(action)
+            assert observation == "The door is now open."
+    finally:
+        env.close()
+
+
 def test_closing_env():
     env = ScienceWorldEnv()
     env.task_names  # Load task names.