diff --git a/build-in-docker.sh b/build-in-docker.sh
index 674ff2c..49abaf7 100755
--- a/build-in-docker.sh
+++ b/build-in-docker.sh
@@ -6,7 +6,7 @@ mode="apt"
 img="ubuntu:latest"
 repos=()
 keys=()
-envs=()
+envs=("-e DEBIAN_FRONTEND=noninteractive" "-e DEBCONF_NONINTERACTIVE_SEEN=true")
 dirs=("-v $(pwd):/workdir")
 packages=()
 targets="all check distcheck"