diff --git a/PCK-Studio/Forms/Additional-Popups/AddFilePrompt.Designer.cs b/PCK-Studio/Forms/Additional-Popups/AddFilePrompt.Designer.cs
index a134f856..94cfb1f4 100644
--- a/PCK-Studio/Forms/Additional-Popups/AddFilePrompt.Designer.cs
+++ b/PCK-Studio/Forms/Additional-Popups/AddFilePrompt.Designer.cs
@@ -105,8 +105,7 @@
             resources.GetString("FileTypeComboBox.Items10"),
             resources.GetString("FileTypeComboBox.Items11"),
             resources.GetString("FileTypeComboBox.Items12"),
-            resources.GetString("FileTypeComboBox.Items13"),
-            resources.GetString("FileTypeComboBox.Items14")});
+            resources.GetString("FileTypeComboBox.Items13")});
             this.FileTypeComboBox.Name = "FileTypeComboBox";
             this.FileTypeComboBox.Style = MetroFramework.MetroColorStyle.Blue;
             this.FileTypeComboBox.Theme = MetroFramework.MetroThemeStyle.Dark;
diff --git a/PCK-Studio/Forms/Additional-Popups/AddFilePrompt.cs b/PCK-Studio/Forms/Additional-Popups/AddFilePrompt.cs
index 29d80d57..9e4bb343 100644
--- a/PCK-Studio/Forms/Additional-Popups/AddFilePrompt.cs
+++ b/PCK-Studio/Forms/Additional-Popups/AddFilePrompt.cs
@@ -12,7 +12,7 @@ namespace PckStudio.Popups
         /// otherwise <see cref="string.Empty"/>
         /// </summary>
         public string Filepath => DialogResult == DialogResult.OK ? InputTextBox.Text : string.Empty;
-		public PckFileType Filetype => (PckFileType)FileTypeComboBox.SelectedIndex;
+		public PckFileType Filetype => (PckFileType)(FileTypeComboBox.SelectedIndex + (FileTypeComboBox.SelectedIndex >= 3 ? 1 : 0));
 
 		public AddFilePrompt(string initialText) : this(initialText, -1)
 		{ }
diff --git a/PCK-Studio/Forms/Additional-Popups/AddFilePrompt.resx b/PCK-Studio/Forms/Additional-Popups/AddFilePrompt.resx
index 00b928ed..fa2571de 100644
--- a/PCK-Studio/Forms/Additional-Popups/AddFilePrompt.resx
+++ b/PCK-Studio/Forms/Additional-Popups/AddFilePrompt.resx
@@ -262,39 +262,36 @@
     <value>TextureFile (*.png)</value>
   </data>
   <data name="FileTypeComboBox.Items3" xml:space="preserve">
-    <value>UIDataFile (UNUSED)</value>
-  </data>
-  <data name="FileTypeComboBox.Items4" xml:space="preserve">
     <value>InfoFile (0)</value>
   </data>
-  <data name="FileTypeComboBox.Items5" xml:space="preserve">
+  <data name="FileTypeComboBox.Items4" xml:space="preserve">
     <value>TexturePackInfoFile (x&lt;Resolution&gt;Info.pck)</value>
   </data>
-  <data name="FileTypeComboBox.Items6" xml:space="preserve">
+  <data name="FileTypeComboBox.Items5" xml:space="preserve">
     <value>LocalisationFile (languages.loc/localisation.loc)</value>
   </data>
-  <data name="FileTypeComboBox.Items7" xml:space="preserve">
+  <data name="FileTypeComboBox.Items6" xml:space="preserve">
     <value>GameRulesFile (*.grf)</value>
   </data>
-  <data name="FileTypeComboBox.Items8" xml:space="preserve">
+  <data name="FileTypeComboBox.Items7" xml:space="preserve">
     <value>AudioFile (*.pck)</value>
   </data>
-  <data name="FileTypeComboBox.Items9" xml:space="preserve">
+  <data name="FileTypeComboBox.Items8" xml:space="preserve">
     <value>ColourTableFile (colours.col)</value>
   </data>
-  <data name="FileTypeComboBox.Items10" xml:space="preserve">
+  <data name="FileTypeComboBox.Items9" xml:space="preserve">
     <value>GameRulesHeader (*.grh)</value>
   </data>
-  <data name="FileTypeComboBox.Items11" xml:space="preserve">
+  <data name="FileTypeComboBox.Items10" xml:space="preserve">
     <value>SkinDataFile (*.pck)</value>
   </data>
-  <data name="FileTypeComboBox.Items12" xml:space="preserve">
+  <data name="FileTypeComboBox.Items11" xml:space="preserve">
     <value>ModelsFile (models.bin)</value>
   </data>
-  <data name="FileTypeComboBox.Items13" xml:space="preserve">
+  <data name="FileTypeComboBox.Items12" xml:space="preserve">
     <value>BehavioursFile (behaviours.bin)</value>
   </data>
-  <data name="FileTypeComboBox.Items14" xml:space="preserve">
+  <data name="FileTypeComboBox.Items13" xml:space="preserve">
     <value>MaterialFile (entityMaterials.bin)</value>
   </data>
   <data name="FileTypeComboBox.Location" type="System.Drawing.Point, System.Drawing">