diff --git a/Dockerfile-backend b/Dockerfile-backend
index a45d861..74f4cae 100644
--- a/Dockerfile-backend
+++ b/Dockerfile-backend
@@ -35,7 +35,7 @@ RUN --mount=type=cache,target=/lemmy/target set -ex; \
 RUN --mount=type=cache,target=/lemmy/target set -ex; \
     # Build with 16 codegen units 32-bit architectures due to build issues
     if [ "$(getconf LONG_BIT)" = "32" ]; then \
-        export RUSTFLAGS="-Ccodegen-units=16"; \
+        export RUSTFLAGS="-Ccodegen-units=16 ${RUSTFLAGS}"; \
     fi; \
     if [ "${RUST_RELEASE_MODE}" = "release" ]; then \
         cargo clean --release; \
@@ -48,7 +48,7 @@ RUN --mount=type=cache,target=/lemmy/target set -ex; \
             wget https://github.com/upx/upx/releases/download/v4.2.4/upx-4.2.4-${TARGETARCH}_linux.tar.xz; \
             tar -xvf upx-4.2.4-${TARGETARCH}_linux.tar.xz; \
             cp upx-4.2.4-${TARGETARCH}_linux/upx /usr/bin; \
-            upx --best --lzma /home/lemmy/lemmy_server; \
+            upx --best --lzma /lemmy/lemmy_server; \
         fi; \
     fi