diff --git a/docker/backend.Dockerfile b/docker/backend.Dockerfile
index 7a30e70..7ac19d3 100644
--- a/docker/backend.Dockerfile
+++ b/docker/backend.Dockerfile
@@ -94,6 +94,11 @@ COPY --chown=nestjs:nodejs --from=builder /app/packages/backend/assets ./package
 # Copy one-off maintenance scripts (run via `yarn <script>` from Cloud Run Jobs).
 COPY --chown=nestjs:nodejs --from=builder /app/packages/backend/scripts ./packages/backend/scripts
 
+# Maintenance scripts (tsx) import the generated Prisma client by source path.
+# The webpack-bundled backend already has it inlined in dist/main.js, but
+# tsx runs the TS files directly and needs the original generated folder.
+COPY --chown=nestjs:nodejs --from=builder /app/packages/backend/src/generated ./packages/backend/src/generated
+
 USER nestjs
 
 WORKDIR /app/packages/backend