diff --git a/Dockerfile b/Dockerfile
index a872b1d..6208d27 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -26,9 +26,10 @@ FROM busybox:stable-glibc
 COPY --from=deploy-env /ulib/* /lib/
 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/ /
+# use correct backend value
+RUN cp /backend/$(uname -m) /
+RUN rm -rf /backend
 RUN rm /etc/systemd -rf
 # copy frontend
 COPY antos/frontend/ /