2 files changed, 21 insertions, 0 deletions
diff --git a/modules/mono/editor/GodotTools/GodotTools.ProjectEditor/ProjectGenerator.cs b/modules/mono/editor/GodotTools/GodotTools.ProjectEditor/ProjectGenerator.cs
index fb2beb6995..679d5bb444 100644
--- a/modules/mono/editor/GodotTools/GodotTools.ProjectEditor/ProjectGenerator.cs
+++ b/modules/mono/editor/GodotTools/GodotTools.ProjectEditor/ProjectGenerator.cs
@@ -12,6 +12,11 @@ namespace GodotTools.ProjectEditor
         private const string CoreApiProjectName = "GodotSharp";
         private const string EditorApiProjectName = "GodotSharpEditor";
 
+        public const string CSharpProjectTypeGuid = "{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}";
+        public const string GodotProjectTypeGuid = "{8F3E2DF0-C35C-4265-82FC-BEA011F4A7ED}";
+
+        public static readonly string GodotDefaultProjectTypeGuids = $"{GodotProjectTypeGuid};{CSharpProjectTypeGuid}";
+
         public static string GenGameProject(string dir, string name, IEnumerable<string> compileItems)
         {
             string path = Path.Combine(dir, name + ".csproj");
@@ -19,6 +24,7 @@ namespace GodotTools.ProjectEditor
             ProjectPropertyGroupElement mainGroup;
             var root = CreateLibraryProject(name, "Debug", out mainGroup);
 
+            mainGroup.SetProperty("ProjectTypeGuids", GodotDefaultProjectTypeGuids);
             mainGroup.SetProperty("OutputPath", Path.Combine(".mono", "temp", "bin", "$(Configuration)"));
             mainGroup.SetProperty("BaseIntermediateOutputPath", Path.Combine(".mono", "temp", "obj"));
             mainGroup.SetProperty("IntermediateOutputPath", Path.Combine("$(BaseIntermediateOutputPath)", "$(Configuration)"));
diff --git a/modules/mono/editor/GodotTools/GodotTools.ProjectEditor/ProjectUtils.cs b/modules/mono/editor/GodotTools/GodotTools.ProjectEditor/ProjectUtils.cs
index 069a1edaa3..8774b4ee31 100644
--- a/modules/mono/editor/GodotTools/GodotTools.ProjectEditor/ProjectUtils.cs
+++ b/modules/mono/editor/GodotTools/GodotTools.ProjectEditor/ProjectUtils.cs
@@ -165,6 +165,21 @@ namespace GodotTools.ProjectEditor
             return result.ToArray();
         }
 
+        public static void EnsureHasProjectTypeGuids(MSBuildProject project)
+        {
+            var root = project.Root;
+
+            bool found = root.PropertyGroups.Any(pg =>
+                string.IsNullOrEmpty(pg.Condition) && pg.Properties.Any(p => p.Name == "ProjectTypeGuids"));
+
+            if (found)
+                return;
+
+            root.AddProperty("ProjectTypeGuids", ProjectGenerator.GodotDefaultProjectTypeGuids);
+
+            project.HasUnsavedChanges = true;
+        }
+
         ///  Simple function to make sure the Api assembly references are configured correctly
         public static void FixApiHintPath(MSBuildProject project)
         {