diff --git a/src/HexManiac.Core/Models/Singletons.cs b/src/HexManiac.Core/Models/Singletons.cs
index b8749c77..36df5440 100644
--- a/src/HexManiac.Core/Models/Singletons.cs
+++ b/src/HexManiac.Core/Models/Singletons.cs
@@ -71,6 +71,7 @@ namespace HavenSoft.HexManiac.Core.Models {
          BattleScriptLines = new ScriptLine[0];
          AnimationScriptLines = new ScriptLine[0];
          BattleAIScriptLines = new ScriptLine[0];
+         DocReference = new Dictionary<string, IReadOnlyList<DocLabel>>();
          WorkDispatcher = InstantDispatch.Instance;
          CopyLimit = copyLimit;
          PythonUtility = string.Empty;
diff --git a/src/HexManiac.Core/ViewModels/ViewPort.cs b/src/HexManiac.Core/ViewModels/ViewPort.cs
index 575091a1..52b8b7c5 100644
--- a/src/HexManiac.Core/ViewModels/ViewPort.cs
+++ b/src/HexManiac.Core/ViewModels/ViewPort.cs
@@ -1025,7 +1025,10 @@ namespace HavenSoft.HexManiac.Core.ViewModels {
 
       public ViewPort(string fileName, IDataModel model, IWorkDispatcher dispatcher, Singletons singletons = null, MapTutorialsViewModel tutorials = null, IFileSystem fs = null, PythonTool pythonTool = null, ChangeHistory<ModelDelta> changeHistory = null, EventTemplate eventTemplate = null) {
          Singletons = singletons ?? new Singletons();
-         this.docs = model.Count >= 0x100 && Singletons.DocReference.TryGetValue(model.GetGameCode().Substring(4), out var docs) ? docs : new List<DocLabel>();
+         this.docs = new List<DocLabel>();
+         if (model.Count >= 0x100 && Singletons.DocReference.TryGetValue(model.GetGameCode().Substring(4), out var docs)) {
+            this.docs = docs;
+         }
          PythonTool = pythonTool;
          ownsHistory = changeHistory == null;
 
diff --git a/src/HexManiac.Tests/Before_Baseclass/ScriptTests.cs b/src/HexManiac.Tests/Before_Baseclass/ScriptTests.cs
index 7c4e860b..5c771d6e 100644
--- a/src/HexManiac.Tests/Before_Baseclass/ScriptTests.cs
+++ b/src/HexManiac.Tests/Before_Baseclass/ScriptTests.cs
@@ -14,6 +14,7 @@ namespace HavenSoft.HexManiac.Tests {
       private readonly ScriptParser battle;
 
       public ScriptTests() {
+         Model.LoadMetadata(BaseModel.GetDefaultMetadatas().First()); // load default script-related lists, like script_compare
          battle = ViewPort.Tools.CodeTool.BattleScriptParser;
       }