diff --git a/build-single.sh b/build-single.sh
index 9ba790c..9c1aabb 100755
--- a/build-single.sh
+++ b/build-single.sh
@@ -1,12 +1,13 @@
 TARGET_NAME="$1-$2"
 DOCKERFILE="Dockerfile.$1.$2"
 
+EXTRA_ARGS="--pull"
 if [ "$1" == "aarch64" ] || [ "$1" == "rpi64" ] || [ "$1" == "l4t" ]; then
-  DOCKER_DEFAULT_PLATFORM="linux/arm64"
+  EXTRA_ARGS="$EXTRA_ARGS --platform linux/arm64"
 elif [ "$1" == "armhf" ] || [ "$1" == "rpi" ]; then
-  DOCKER_DEFAULT_PLATFORM="linux/arm/v7"
+  EXTRA_ARGS="$EXTRA_ARGS --platform linux/arm/v7"
 elif [ "$1" == "riscv64" ]; then
-  DOCKER_DEFAULT_PLATFORM="linux/riscv64"
+  EXTRA_ARGS="$EXTRA_ARGS --platform linux/riscv64"
 fi
 
 TAG_UNIQUE_ID=`(git ls-tree HEAD; git diff-index HEAD) | sha256sum | cut -c-16`
@@ -25,7 +26,7 @@ if [ $PULL_EXIT_CODE -eq 0 ]; then
   echo Using pre-built Docker image - cgutman/moonlight-packaging:$TAG_NAME
 else
   echo Pre-built image not available - building cgutman/moonlight-packaging:$TAG_NAME
-  docker buildx build --pull -f $DOCKERFILE -t cgutman/moonlight-packaging:$TAG_NAME .
+  docker buildx build $EXTRA_ARGS -f $DOCKERFILE -t cgutman/moonlight-packaging:$TAG_NAME .
   echo Built Docker image - cgutman/moonlight-packaging:$TAG_NAME
 fi