diff --git a/script/test/default b/script/test/default
index fa741a19d..aabb4e426 100755
--- a/script/test/default
+++ b/script/test/default
@@ -5,11 +5,15 @@ set -ex
 
 TAG="docker-compose:$(git rev-parse --short HEAD)"
 
+# By default use the Dockerfile, but can be overriden to use an alternative file
+# e.g DOCKERFILE=Dockerfile.armhf script/test/default
+DOCKERFILE="${DOCKERFILE:-Dockerfile}"
+
 rm -rf coverage-html
 # Create the host directory so it's owned by $USER
 mkdir -p coverage-html
 
-docker build -t "$TAG" .
+docker build -f ${DOCKERFILE} -t "$TAG" .
 
 GIT_VOLUME="--volume=$(pwd)/.git:/code/.git"
 . script/test/all