diff --git a/.gitea/workflows/workspace-validate.yml b/.gitea/workflows/workspace-validate.yml
index d3b1664..80148c5 100644
--- a/.gitea/workflows/workspace-validate.yml
+++ b/.gitea/workflows/workspace-validate.yml
@@ -40,6 +40,7 @@ jobs:
         run: |
           set -euo pipefail
           ulf_file="/root/.local/share/unity3d/Unity/Unity_lic.ulf"
+          machine_id_file="/root/.local/share/unity3d/Unity/.machine-id"
           entitlement_file="/root/.config/unity3d/Unity/licenses/UnityEntitlementLicense.xml"
           if test -s "$ulf_file"; then
             echo "Unity license mount: ULF present"
@@ -49,6 +50,10 @@ jobs:
             echo "No Unity license file is available through the configured mounts." >&2
             exit 1
           fi
+          if test -s "$machine_id_file"; then
+            cat "$machine_id_file" > /etc/machine-id
+            echo "Unity machine identity restored"
+          fi
           unity_bin="$(command -v unity-editor || command -v unity || command -v Unity || true)"
           test -n "$unity_bin"
           mkdir -p Artifacts