diff --git a/Dockerfile b/Dockerfile
index 7357ffc..b0b88bd 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM --platform=$BUILDPLATFORM python:3.9.15-slim-buster AS base
+FROM --platform=$TARGETPLATFORM python:3.9.15-slim-buster AS base
 ENV DEBIAN_FRONTEND "noninteractive"
 RUN apt update \
     && apt full-upgrade -y \