diff --git a/Dockerfile b/Dockerfile
index 76d9d3b..5e3c851 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -29,7 +29,7 @@ COPY --from=deploy-env /bin/wget /bin/
 # copy backend
 RUN export ARCH=$(uname -m)
 RUN echo "arch is $ARCH"
-COPY antos/backend/ARCH/ /
+COPY antos/backend/$ARCH/ /
 RUN rm /etc/systemd -rf
 # copy frontend
 COPY antos/frontend/ /