diff --git a/.forgejo/workflows/deploy-tradein.yml b/.forgejo/workflows/deploy-tradein.yml
index 118b4b6e..ab9e9f89 100644
--- a/.forgejo/workflows/deploy-tradein.yml
+++ b/.forgejo/workflows/deploy-tradein.yml
@@ -142,6 +142,7 @@ jobs:
           build-args: |
             NEXT_PUBLIC_BASE_PATH=/trade-in
             NEXT_PUBLIC_API_BASE_URL=/trade-in
+            NEXT_PUBLIC_ENABLE_PREVIEW=1
           cache-from: type=registry,ref=${{ env.IMAGE_FRONTEND }}:buildcache
           cache-to: type=registry,ref=${{ env.IMAGE_FRONTEND }}:buildcache,mode=max
           tags: |
diff --git a/tradein-mvp/frontend/Dockerfile b/tradein-mvp/frontend/Dockerfile
index 3ffad9c7..a78e5632 100644
--- a/tradein-mvp/frontend/Dockerfile
+++ b/tradein-mvp/frontend/Dockerfile
@@ -23,6 +23,8 @@ ARG NEXT_PUBLIC_BASE_PATH=""
 ENV NEXT_PUBLIC_BASE_PATH=$NEXT_PUBLIC_BASE_PATH
 ARG NEXT_PUBLIC_API_BASE_URL=""
 ENV NEXT_PUBLIC_API_BASE_URL=$NEXT_PUBLIC_API_BASE_URL
+ARG NEXT_PUBLIC_ENABLE_PREVIEW=""
+ENV NEXT_PUBLIC_ENABLE_PREVIEW=$NEXT_PUBLIC_ENABLE_PREVIEW
 
 COPY --from=deps /app/node_modules ./node_modules
 COPY . .