diff --git a/CHANGELOG.md b/CHANGELOG.md
index becc9d637f..5cc94376cd 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -9,6 +9,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 - Build on and target .Net 9 rather than 8
 - Simplify DB Patching Interface
 - Fix issue with Simple File Extractor pipeline component checking
+- Fix application restart not closing all windows
 - Improve cohort deprecation override test
 - Add Filters for CatalogueItems to Dashboard graphs
 
diff --git a/Rdmp.UI/ApplicationRestarter.cs b/Rdmp.UI/ApplicationRestarter.cs
index 7f52942186..4989c98a9d 100644
--- a/Rdmp.UI/ApplicationRestarter.cs
+++ b/Rdmp.UI/ApplicationRestarter.cs
@@ -19,6 +19,7 @@ public static void Restart()
         try
         {
             Application.Restart();
+            Environment.Exit(0);
         }
         catch (Exception)
         {