diff --git a/tests/docker/dockerfiles/ubuntu.docker b/tests/docker/dockerfiles/ubuntu.docker
index 2500ec84b6..a4f601395c 100644
--- a/tests/docker/dockerfiles/ubuntu.docker
+++ b/tests/docker/dockerfiles/ubuntu.docker
@@ -66,6 +66,6 @@ ENV PACKAGES flex bison \
     texinfo \
     xfslibs-dev
 RUN apt-get update && \
-    apt-get -y install $PACKAGES
+    DEBIAN_FRONTEND=noninteractive apt-get -y install $PACKAGES
 RUN dpkg -l $PACKAGES | sort > /packages.txt
 ENV FEATURES clang pyyaml sdl2
diff --git a/tests/docker/dockerfiles/ubuntu1804.docker b/tests/docker/dockerfiles/ubuntu1804.docker
index 0bb8088658..44bbf0f77a 100644
--- a/tests/docker/dockerfiles/ubuntu1804.docker
+++ b/tests/docker/dockerfiles/ubuntu1804.docker
@@ -53,6 +53,6 @@ ENV PACKAGES flex bison \
     texinfo \
     xfslibs-dev
 RUN apt-get update && \
-    apt-get -y install $PACKAGES
+    DEBIAN_FRONTEND=noninteractive apt-get -y install $PACKAGES
 RUN dpkg -l $PACKAGES | sort > /packages.txt
 ENV FEATURES clang pyyaml sdl2