diff --git a/.github/workflows/branches.yml b/.github/workflows/branches.yml
index ec8a64c04..1f9cc0224 100644
--- a/.github/workflows/branches.yml
+++ b/.github/workflows/branches.yml
@@ -21,10 +21,13 @@ jobs:
         with:
           path: ~/.gradle/caches
           key: ${{ runner.os }}-gradle-${{ hashFiles('**/*.gradle') }}
+      - name: Validate no assets
+        run: test ! -d ./src/generated
       - name: Generate assets
         uses: GabrielBB/xvfb-action@v1.2
         with:
           run: ./gradlew runData --no-daemon
+      - name: Validate assets
+        run: test -d ./src/generated
       - name: Build with Gradle
         run: ./gradlew build --no-daemon
-        
\ No newline at end of file
diff --git a/.github/workflows/master.yml b/.github/workflows/master.yml
index 6943a0e35..f53b0b928 100644
--- a/.github/workflows/master.yml
+++ b/.github/workflows/master.yml
@@ -21,9 +21,13 @@ jobs:
         with:
           path: ~/.gradle/caches
           key: ${{ runner.os }}-gradle-${{ hashFiles('**/*.gradle') }}
+      - name: Validate no assets
+        run: test ! -d ./src/generated
       - name: Generate assets
         uses: GabrielBB/xvfb-action@v1.2
         with:
           run: ./gradlew runData --no-daemon
+      - name: Validate assets
+        run: test -d ./src/generated
       - name: Build with Gradle
         run: ./gradlew build --no-daemon
diff --git a/.github/workflows/pull_requests.yml b/.github/workflows/pull_requests.yml
index 6eb200a4f..16847d1fc 100644
--- a/.github/workflows/pull_requests.yml
+++ b/.github/workflows/pull_requests.yml
@@ -21,10 +21,14 @@ jobs:
         with:
           path: ~/.gradle/caches
           key: ${{ runner.os }}-gradle-${{ hashFiles('**/*.gradle') }}
+      - name: Validate no assets
+        run: test ! -d ./src/generated
       - name: Generate assets
         uses: GabrielBB/xvfb-action@v1.2
         with:
           run: ./gradlew runData --no-daemon
+      - name: Validate assets
+        run: test -d ./src/generated
       - name: Build with Gradle
         env:
           PR_NUMBER: ${{ github.event.pull_request.number }}
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index cdcab17fb..4e62308a7 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -28,10 +28,14 @@ jobs:
           java-version: 1.8
       - name: Grant execute permission for gradlew
         run: chmod +x gradlew
+      - name: Validate no assets
+        run: test ! -d ./src/generated
       - name: Generate assets
         uses: GabrielBB/xvfb-action@v1.2
         with:
           run: ./gradlew runData --no-daemon
+      - name: Validate assets
+        run: test -d ./src/generated
       - name: Build, sign, and publish with Gradle
         env:
           KEY_STORE_PASS: ${{ secrets.KEY_STORE_PASS }}