diff --git a/Confuser.Protections/Compress/Compressor.cs b/Confuser.Protections/Compress/Compressor.cs
index 3d8eb1d82..06cebe61d 100644
--- a/Confuser.Protections/Compress/Compressor.cs
+++ b/Confuser.Protections/Compress/Compressor.cs
@@ -306,7 +306,7 @@ public void OnWriterEvent(ModuleWriterBase writer, ModuleWriterEvent evt) {
 					ctx.KeyToken = sigToken;
 					MutationHelper.InjectKey(writer.Module.EntryPoint, 2, (int)sigToken);
 				}
-				else if (evt == ModuleWriterEvent.MDBeginAddResources) {
+				else if (evt == ModuleWriterEvent.MDBeginAddResources && !ctx.CompatMode) {
 					// Compute hash
 					byte[] hash = SHA1.Create().ComputeHash(ctx.OriginModule);
 					uint hashBlob = writer.MetaData.BlobHeap.Add(hash);
diff --git a/ConfuserEx/ViewModel/UI/SettingsTabVM.cs b/ConfuserEx/ViewModel/UI/SettingsTabVM.cs
index 104f2a429..e6509c820 100644
--- a/ConfuserEx/ViewModel/UI/SettingsTabVM.cs
+++ b/ConfuserEx/ViewModel/UI/SettingsTabVM.cs
@@ -94,9 +94,9 @@ void InitProject() {
 
 		protected override void OnPropertyChanged(string property) {
 			if (property == "HasPacker") {
-				if (hasPacker)
+				if (hasPacker && App.Project.Packer == null)
 					App.Project.Packer = new ProjectSettingVM<Packer>(App.Project, new SettingItem<Packer> { Id = App.Project.Packers[0].Id });
-				else
+				else if (!hasPacker)
 					App.Project.Packer = null;
 			}
 			base.OnPropertyChanged(property);