diff --git a/ui/docker/Dockerfile b/ui/docker/Dockerfile
index e81c7217..5c98907a 100644
--- a/ui/docker/Dockerfile
+++ b/ui/docker/Dockerfile
@@ -21,3 +21,4 @@ COPY --from=builder /app/index.html /usr/share/nginx/html
 COPY --from=builder /app/main.js /usr/share/nginx/html
 COPY --from=builder /app/css/mainflux.css /usr/share/nginx/html/css/
 COPY docker/nginx.conf /etc/nginx/conf.d/default.conf
+COPY src/Websocket.js /usr/share/nginx/html/src/