diff --git a/hugo/Dockerfile b/hugo/Dockerfile
index d462b17..8188afe 100644
--- a/hugo/Dockerfile
+++ b/hugo/Dockerfile
@@ -9,4 +9,4 @@ RUN apt-get update && apt-get install -y --no-install-recommends \
     ca-certificates \
     && rm -rf /var/lib/apt/lists/*
 COPY hugo.sh /root/hugo.sh
-RUN chmod +x /root/hugo.sh && /root/hugo.sh
+RUN /bin/sh /root/hugo.sh