diff --git a/.github/workflows/pull_request_check.yml b/.github/workflows/pull_request_check.yml
index f1f8cf7..b76182f 100644
--- a/.github/workflows/pull_request_check.yml
+++ b/.github/workflows/pull_request_check.yml
@@ -8,10 +8,26 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v2
-      - uses: actions/npm@master
+      
+      - uses: actions/checkout@v2
+      - name: Set up Node.js
+        uses: actions/setup-node@v1.2.0
+        env:
+            ACTIONS_ALLOW_UNSECURE_COMMANDS: 'true'
+          
+      - name: install deps
+        run: npm install
+          
+      - name: create generated dir
+        run: mkdir ./assets/generated
+
+      - name: create stub themes
+        run: "echo '{\"layers\": [], \"themes\": []}' > ./assets/generated/known_layers_and_themes.json"
+  
+         
       - name: Compile license info
-        run: npm run generate:licenses
+        run: npm run validate:licenses
      
       - name: Compile and validate themes and layers
-        run: npm run generate:layeroverview
+        run: npm run validate:layeroverview
 
diff --git a/.github/workflows/theme_validation.yml b/.github/workflows/theme_validation.yml
index a66f5af..1173e2f 100644
--- a/.github/workflows/theme_validation.yml
+++ b/.github/workflows/theme_validation.yml
@@ -26,7 +26,7 @@ jobs:
   
          
       - name: Compile license info
-        run: npm run generate:licenses
+        run: npm run validate:licenses
      
       - name: Compile and validate themes and layers
-        run: npm run generate:layeroverview
+        run: npm run validate:layeroverview
diff --git a/package.json b/package.json
index a9865fd..442d319 100644
--- a/package.json
+++ b/package.json
@@ -17,6 +17,8 @@
     "generate:docs": "ts-node scripts/generateDocs.ts",
     "generate:layeroverview": "ts-node scripts/generateLayerOverview.ts --no-fail",
     "generate:licenses": "ts-node scripts/generateLicenseInfo.ts --no-fail",
+    "validate:layeroverview": "ts-node scripts/generateLayerOverview.ts",
+    "validate:licenses": "ts-node scripts/generateLicenseInfo.ts",
     "optimize-images": "cd assets/generated/ &&  find -name '*.png' -exec optipng '{}' \\; && echo 'PNGs are optimized'",
     "generate": "npm run generate:images && npm run generate:translations && npm run generate:licenses",
     "build": "rm -rf dist/ && npm run generate && parcel build --public-url ./ *.html assets/** assets/**/** assets/**/**/** vendor/* vendor/*/*",