diff --git a/Dockerfile b/Dockerfile
index 22b71ec..adfeeff 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -11,6 +11,7 @@ ARG RUNNER_IMAGE="debian:${DEBIAN_VERSION}"
 FROM ${BUILDER_IMAGE} AS builder
 
 # Install build dependencies
+ENV DEBIAN_FRONTEND=noninteractive
 RUN apt-get update -y && apt-get install -y --no-install-recommends build-essential git curl \
     && apt-get clean && rm -rf /var/lib/apt/lists/*
 
diff --git a/mix.exs b/mix.exs
index 4709da5..aa023fe 100644
--- a/mix.exs
+++ b/mix.exs
@@ -130,7 +130,8 @@ defmodule Aprsme.MixProject do
   defp get_version do
     case System.get_env("PARSER_GIT_HASH") do
       nil -> "0.1.0"
-      hash -> hash
+      "unknown" -> "0.1.0"
+      hash -> "0.0.0-#{hash}"
     end
   end
 end