diff --git a/scripts/Windows/Scripts/AppAssociations.ps1 b/scripts/Windows/Scripts/AppAssociations.ps1
index 327f99f4a..db66d51bd 100644
--- a/scripts/Windows/Scripts/AppAssociations.ps1
+++ b/scripts/Windows/Scripts/AppAssociations.ps1
@@ -35,6 +35,7 @@ $null = New-Module {
             $writerSettings.Encoding = [System.Text.UTF8Encoding]::new();
             $writer = [System.Xml.XmlWriter]::Create($configFile.FullName, $writerSettings);
             $associations.Save($writer);
+            $writer.Dispose();
             DISM /Online "/Import-DefaultAppAssociations:$($configFile.FullName)";
             Remove-Item $configFile;
         }