diff --git a/.azure/Dockerfile b/.azure/Dockerfile
index 228bf3a97..a2bfc7e65 100644
--- a/.azure/Dockerfile
+++ b/.azure/Dockerfile
@@ -21,3 +21,5 @@ RUN apt-get update && apt-get install -y --no-install-recommends \
         wget patch vim cpio python unzip rsync bc bzip2 ncurses-dev sudo \
         git make g++ file perl bash binutils locales qemu-utils bison flex \
     && rm -rf /var/lib/apt/lists/*
+
+WORKDIR /build