diff --git a/Dockerfile b/Dockerfile
index eef3093..03a6ccf 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,5 @@
 FROM alpine:3.19@sha256:51b67269f354137895d43f3b3d810bfacd3945438e94dc5ac55fdac340352f48
 ARG BINARY=binary-build-arg-not-defined
+ENV BINARY=${BINARY}
 ENTRYPOINT ["/${BINARY}"]
 COPY $BINARY /