diff --git a/docker/Dockerfile b/docker/Dockerfile
index 5bb39555a..e551d1ae2 100644
--- a/docker/Dockerfile
+++ b/docker/Dockerfile
@@ -42,8 +42,7 @@ RUN --mount=type=cache,target=/lemmy/target set -ex; \
         # Compress the binary with upx
         wget https://github.com/upx/upx/releases/download/v4.2.4/upx-4.2.4-amd64_linux.tar.xz; \
         tar -xvf upx-4.2.4-amd64_linux.tar.xz; \
-        cp upx-4.2.4-amd64_linux/upx /usr/bin; \
-        upx --best --lzma lemmy_server; \
+        upx-4.2.4-amd64_linux/upx --best --lzma lemmy_server; \
     fi
 
 # ARM64 builder
@@ -81,8 +80,7 @@ RUN --mount=type=cache,target=./target,uid=10001,gid=10001 set -ex; \
         # Compress the binary with upx
         wget https://github.com/upx/upx/releases/download/v4.2.4/upx-4.2.4-arm64_linux.tar.xz; \
         tar -xvf upx-4.2.4-arm64_linux.tar.xz; \
-        cp upx-4.2.4-arm64_linux/upx /usr/bin; \
-        upx --best --lzma /home/lemmy/lemmy_server; \
+        upx-4.2.4-amd64_linux/upx --best --lzma lemmy_server; \
     fi
 
 # amd64 base runner