diff --git a/OWML.Common/IModManifest.cs b/OWML.Common/IModManifest.cs
index 0c88ee45c..5d170ebb8 100644
--- a/OWML.Common/IModManifest.cs
+++ b/OWML.Common/IModManifest.cs
@@ -6,6 +6,7 @@ public interface IModManifest
         string Author { get; }
         string Name { get; }
         string Version { get; }
+        string OWMLVersion { get; }
         string AssemblyPath { get; }
         string UniqueName { get; }
         string FolderPath { get; set; }
diff --git a/OWML.Launcher/App.cs b/OWML.Launcher/App.cs
index c475d4fa0..4a393330d 100644
--- a/OWML.Launcher/App.cs
+++ b/OWML.Launcher/App.cs
@@ -12,11 +12,13 @@ namespace OWML.Launcher
 {
     public class App
     {
+        private const string Version = "0.3.1";
+
         private readonly string[] _filesToCopy = { "UnityEngine.CoreModule.dll", "Assembly-CSharp.dll" };
 
         public void Run()
         {
-            Console.WriteLine("Started OWML.");
+            Console.WriteLine($"Started OWML version {Version}");
 
             var config = GetConfig();
 
@@ -84,8 +86,9 @@ private void ShowModList(IModFinder modFinder)
             Console.WriteLine("Found mods:");
             foreach (var manifest in manifests)
             {
-                var stateText = manifest.Enabled ? "" : "(disabled)";
-                Console.WriteLine($"* {manifest.UniqueName} ({manifest.Version}) {stateText}");
+                var stateText = manifest.Enabled ? "" : " (disabled)";
+                var versionText = manifest.OWMLVersion == Version ? "" : $" (Warning: made for other version of OWML: {manifest.OWMLVersion})";
+                Console.WriteLine($"* {manifest.UniqueName} ({manifest.Version}){stateText}{versionText}");
             }
         }
 
diff --git a/OWML.ModHelper/ModBehaviour.cs b/OWML.ModHelper/ModBehaviour.cs
index 8614cad94..60c32bb12 100644
--- a/OWML.ModHelper/ModBehaviour.cs
+++ b/OWML.ModHelper/ModBehaviour.cs
@@ -12,6 +12,5 @@ public void Init(IModHelper modHelper)
             ModHelper = modHelper;
             DontDestroyOnLoad(gameObject);
         }
-
     }
 }
diff --git a/OWML.ModHelper/ModManifest.cs b/OWML.ModHelper/ModManifest.cs
index 57bae90d7..ad49c8aa5 100644
--- a/OWML.ModHelper/ModManifest.cs
+++ b/OWML.ModHelper/ModManifest.cs
@@ -20,6 +20,9 @@ public class ModManifest : IModManifest
         [JsonProperty("version")]
         public string Version { get; private set; }
 
+        [JsonProperty("owmlVersion")]
+        public string OWMLVersion { get; private set; }
+
         [JsonProperty("enabled")]
         public bool Enabled { get; private set; }
 
diff --git a/OWML.SampleMods/OWML.EnableDebugMode/manifest.json b/OWML.SampleMods/OWML.EnableDebugMode/manifest.json
index 32fec53fd..dfe3b6733 100644
--- a/OWML.SampleMods/OWML.EnableDebugMode/manifest.json
+++ b/OWML.SampleMods/OWML.EnableDebugMode/manifest.json
@@ -4,5 +4,6 @@
   "name": "EnableDebugMode",
   "uniqueName": "Alek.EnableDebugMode",
   "version": "0.2",
+  "owmlVersion": "0.3.1",
   "enabled": false
 }
\ No newline at end of file
diff --git a/OWML.SampleMods/OWML.LightBramble/manifest.json b/OWML.SampleMods/OWML.LightBramble/manifest.json
index 42c1161ff..df85bb9fa 100644
--- a/OWML.SampleMods/OWML.LightBramble/manifest.json
+++ b/OWML.SampleMods/OWML.LightBramble/manifest.json
@@ -4,5 +4,6 @@
   "name": "LightBramble",
   "uniqueName": "Alek.LightBramble",
   "version": "0.1",
+  "owmlVersion": "0.3.1",
   "enabled": false
 }
\ No newline at end of file
diff --git a/OWML.SampleMods/OWML.LoadCustomAssets/manifest.json b/OWML.SampleMods/OWML.LoadCustomAssets/manifest.json
index c4ef3fbaf..9da4b0c4f 100644
--- a/OWML.SampleMods/OWML.LoadCustomAssets/manifest.json
+++ b/OWML.SampleMods/OWML.LoadCustomAssets/manifest.json
@@ -4,5 +4,6 @@
   "name": "LoadCustomAssets",
   "uniqueName": "Alek.LoadCustomAssets",
   "version": "0.3",
+  "owmlVersion": "0.3.1",
   "enabled": false
 }
\ No newline at end of file
diff --git a/Readme.md b/Readme.md
index 0b2bd2828..9a514fed5 100644
--- a/Readme.md
+++ b/Readme.md
@@ -64,6 +64,7 @@ Each mod is defined in a manifest.json file:
 |name|The name of the mod.|
 |uniqueName|Usually {author}.{uniqueName}.|
 |version|The version number.|
+|owmlVersion|The version of OWML the mod was built for.|
 |enabled|Whether or not the mod will be loaded.|
 
 ## Compatibility