diff --git a/messense_rust-musl-cross_x86_64-musl/Dockerfile b/messense_rust-musl-cross_x86_64-musl/Dockerfile
index 515080d..dd67044 100644
--- a/messense_rust-musl-cross_x86_64-musl/Dockerfile
+++ b/messense_rust-musl-cross_x86_64-musl/Dockerfile
@@ -13,6 +13,8 @@ RUN mkdir /usr/include/x86_64-linux-musl \
     && make -j$(nproc) \
     && make install
 
-export PKG_CONFIG_ALLOW_CROSS=1
-export OPENSSL_STATIC=true
-export OPENSSL_DIR=/musl
\ No newline at end of file
+ENV PKG_CONFIG_ALLOW_CROSS=1 \
+    OPENSSL_STATIC=true \
+    OPENSSL_DIR=/musl
+
+WORKDIR /home/rust/src/
\ No newline at end of file