diff --git a/docker/Dockerfile b/docker/Dockerfile
index 97a7879da8767..a35056f785879 100644
--- a/docker/Dockerfile
+++ b/docker/Dockerfile
@@ -189,6 +189,8 @@ WORKDIR /vllm-workspace
 ENV DEBIAN_FRONTEND=noninteractive
 ARG TARGETPLATFORM
 
+SHELL ["/bin/bash", "-c"]
+
 RUN PYTHON_VERSION_STR=$(echo ${PYTHON_VERSION} | sed 's/\.//g') && \
     echo "export PYTHON_VERSION_STR=${PYTHON_VERSION_STR}" >> /etc/environment