diff --git a/build.sh b/build.sh
index 04eb939..f095b78 100755
--- a/build.sh
+++ b/build.sh
@@ -36,6 +36,8 @@ build_docker_container() {
 }
 
 build_docker() {
+    mkdir -p "$BUILD_DIR"
+    command -v setfacl 1>/dev/null && setfacl -m default:u:$USER:rwx "$BUILD_DIR"
     build_docker_container
     get_docker_run_flags
     local targets=$*