diff --git a/ModpackUpdater.Manager/ModpackInstaller.cs b/ModpackUpdater.Manager/ModpackInstaller.cs
index 0e2bd29..2aa2f49 100644
--- a/ModpackUpdater.Manager/ModpackInstaller.cs
+++ b/ModpackUpdater.Manager/ModpackInstaller.cs
@@ -56,7 +56,7 @@ public class ModpackInstaller(ModpackConfig updateConfig, ModpackInfo modpackInf
 
             if (installInfos is not null && installInfos.Actions.Count != 0)
             {
-                var actions = installInfos.Actions.Where(n => n.Side.IsSide(options.Side));
+                var actions = installInfos.Actions.Where(n => n.Side.IsSide(options.Side) && (!n.IsExtra || updateConfig.AllowExtras));
                 if (actions.Any())
                 {
                     result.Actions.AddRange(installInfos.Actions);
@@ -88,7 +88,7 @@ public class ModpackInstaller(ModpackConfig updateConfig, ModpackInfo modpackInf
 
                     foreach (var action in checkingVersion.Actions)
                     {
-                        if (action.Side.IsSide(options.Side) && !result.Actions.Any(n => n.DestPath == action.DestPath))
+                        if (action.Side.IsSide(options.Side) && (!action.IsExtra || updateConfig.AllowExtras) && !result.Actions.Any(n => n.DestPath == action.DestPath))
                             actionsToAdd.Add(action);
                     }
 
diff --git a/ModpackUpdater.Model/InstallAction.cs b/ModpackUpdater.Model/InstallAction.cs
index 7ec563f..4343378 100644
--- a/ModpackUpdater.Model/InstallAction.cs
+++ b/ModpackUpdater.Model/InstallAction.cs
@@ -7,4 +7,5 @@ public class InstallAction
     public string DestPath { get; set; }
     public string DownloadUrl { get; set; }
     public Side Side { get; set; } = Side.Both;
+    public bool IsExtra { get; set; }
 }
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