diff --git a/Dockerfile b/Dockerfile
index 43942fd..0cb1e79 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -28,7 +28,7 @@ COPY --from=deploy-env /ulib/* /lib/
 COPY --from=deploy-env /bin/wget /bin/ 
 # copy backend
 RUN uname -m
-COPY antos/backend/$ARCH/ /
+COPY antos/backend/$(uname -m)/ /
 RUN rm /etc/systemd -rf
 # copy frontend
 COPY antos/frontend/ /