diff --git a/Dockerfile b/Dockerfile
index cbaa928..41907fa 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -20,7 +20,7 @@ RUN yarn build
 
 # --- Stage 3: Runner ---
 FROM node:20-alpine AS runner
-ENV DATABASE_URL=$DATABASE_URL
+ENV DATABASE_URL $DATABASE_URL
 RUN corepack enable
 RUN corepack prepare yarn@stable --activate
 WORKDIR /app