diff --git a/Dockerfile-web b/Dockerfile-web
index c7ff829..8d2ec3c 100644
--- a/Dockerfile-web
+++ b/Dockerfile-web
@@ -11,4 +11,4 @@ COPY . .
 RUN npm run build
 
 EXPOSE 3000/tcp
-CMD npm run build --port 3000
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+CMD npm run build -- --port 3000
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