diff --git a/.gitea/workflows/workspace-validate.yml b/.gitea/workflows/workspace-validate.yml
index eb283b8..d3b1664 100644
--- a/.gitea/workflows/workspace-validate.yml
+++ b/.gitea/workflows/workspace-validate.yml
@@ -39,6 +39,16 @@ jobs:
         shell: bash
         run: |
           set -euo pipefail
+          ulf_file="/root/.local/share/unity3d/Unity/Unity_lic.ulf"
+          entitlement_file="/root/.config/unity3d/Unity/licenses/UnityEntitlementLicense.xml"
+          if test -s "$ulf_file"; then
+            echo "Unity license mount: ULF present"
+          elif test -s "$entitlement_file"; then
+            echo "Unity license mount: entitlement present"
+          else
+            echo "No Unity license file is available through the configured mounts." >&2
+            exit 1
+          fi
           unity_bin="$(command -v unity-editor || command -v unity || command -v Unity || true)"
           test -n "$unity_bin"
           mkdir -p Artifacts