diff --git a/Filtration/Filtration.nuspec b/Filtration/Filtration.nuspec
index b23716b..25a14bf 100644
--- a/Filtration/Filtration.nuspec
+++ b/Filtration/Filtration.nuspec
@@ -9,9 +9,7 @@
     <description>A Path of Exile loot filter script editor</description>
     <requireLicenseAcceptance>false</requireLicenseAcceptance>
     <copyright>Copyright 2018</copyright>
-    <releaseNotes>* Fixed the Block Output Preview pane not working
-* The Block Output Preview pane now supports previewing multiple selected blocks
-* The Block Output Preview pane now supports selecting the text within it</releaseNotes>
+    <releaseNotes>* Fixed crash on exit</releaseNotes>
     <dependencies />
   </metadata>
   <files>
diff --git a/Filtration/Properties/AssemblyInfo.cs b/Filtration/Properties/AssemblyInfo.cs
index ea8b597..6c9cede 100644
--- a/Filtration/Properties/AssemblyInfo.cs
+++ b/Filtration/Properties/AssemblyInfo.cs
@@ -10,8 +10,8 @@ using System.Runtime.CompilerServices;
 [assembly: AssemblyTrademark("")]
 [assembly: AssemblyCulture("")]
 
-[assembly: AssemblyVersion("1.0.1")]
-[assembly: AssemblyInformationalVersion("1.0.1")]
+[assembly: AssemblyVersion("1.0.2")]
+[assembly: AssemblyInformationalVersion("1.0.2")]
 
 [assembly: InternalsVisibleTo("Filtration.Tests")]
 [assembly: InternalsVisibleTo("Filtration.ItemFilterPreview.Tests")]
diff --git a/Filtration/ViewModels/ToolPanes/BlockOutputPreviewViewModel.cs b/Filtration/ViewModels/ToolPanes/BlockOutputPreviewViewModel.cs
index cc25946..1dd8f15 100644
--- a/Filtration/ViewModels/ToolPanes/BlockOutputPreviewViewModel.cs
+++ b/Filtration/ViewModels/ToolPanes/BlockOutputPreviewViewModel.cs
@@ -57,7 +57,8 @@ namespace Filtration.ViewModels.ToolPanes
         private void OnLastSelectedBlockChanged(object sender, EventArgs e)
         {
             if (AvalonDockWorkspaceViewModel.ActiveScriptViewModel?.SelectedBlockViewModels == null || 
-                AvalonDockWorkspaceViewModel.ActiveScriptViewModel.SelectedBlockViewModels.Count == 0)
+                AvalonDockWorkspaceViewModel.ActiveScriptViewModel.SelectedBlockViewModels.Count == 0 ||
+                AvalonDockWorkspaceViewModel.ActiveScriptViewModel.SelectedBlockViewModels.FirstOrDefault() == null)
             {
                 PreviewText = string.Empty;
                 return;