diff --git a/package-lock.json b/package-lock.json
index f5e9007..8d9a649 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,12 +1,12 @@
 {
   "name": "victorian-tools",
-  "version": "2.4.0",
+  "version": "2.4.1",
   "lockfileVersion": 3,
   "requires": true,
   "packages": {
     "": {
       "name": "victorian-tools",
-      "version": "2.4.0",
+      "version": "2.4.1",
       "license": "MIT",
       "dependencies": {
         "@vscode/codicons": "^0.0.36",
diff --git a/package.json b/package.json
index 0c34de0..d9be151 100644
--- a/package.json
+++ b/package.json
@@ -4,7 +4,7 @@
   "description": "Syntax highlighting features and code snippets for Victoria II modding.",
   "publisher": "TGCModdingTeam",
   "main": "./src/built/extension.js",
-  "version": "2.4.0",
+  "version": "2.4.1",
   "icon": "/images/icon.png",
   "engines": {
     "vscode": "^1.92.0"
diff --git a/src/extension.ts b/src/extension.ts
index 5f0a992..d516a6d 100644
--- a/src/extension.ts
+++ b/src/extension.ts
@@ -209,7 +209,8 @@ export function activate(context: vscode.ExtensionContext) {
       const terminal = vscode.window.createTerminal('KatEngine Validation');
       terminal.show();
       terminal.sendText(`cd "${vic2RootFolder}"`);
-      terminal.sendText(`.\\KatEngine.exe -validate -mod ${selectedMods.join(' ')}`);
+      const modifiedMods = selectedMods.map(mod => `-mod=mod/${mod}`);
+      terminal.sendText(`.\\KatEngine.exe -validate ${modifiedMods.join(' ')}`);
 
       deleteAndOpenFile(scenarioErrorsPath, treeDataProvider);
     }),