diff --git a/Dockerfile.ubuntu-1804 b/Dockerfile.ubuntu-1804
index b32a1ae..e626cae 100644
--- a/Dockerfile.ubuntu-1804
+++ b/Dockerfile.ubuntu-1804
@@ -3,6 +3,8 @@ FROM ubuntu:18.04
 LABEL maintainer="LinuxGSM <me@danielgibbs.co.uk>"
 ARG DEBIAN_FRONTEND=noninteractive
 
+SHELL ["/bin/bash", "-o", "pipefail", "-c"]
+
 # Install SteamCMD
 RUN echo "**** Install SteamCMD ****" \
   && echo steam steam/question select "I AGREE" | debconf-set-selections \
diff --git a/Dockerfile.ubuntu-2004 b/Dockerfile.ubuntu-2004
index 7527c4f..1511cea 100644
--- a/Dockerfile.ubuntu-2004
+++ b/Dockerfile.ubuntu-2004
@@ -3,6 +3,8 @@ FROM ubuntu:20.04
 LABEL maintainer="LinuxGSM <me@danielgibbs.co.uk>"
 ARG DEBIAN_FRONTEND=noninteractive
 
+SHELL ["/bin/bash", "-o", "pipefail", "-c"]
+
 # Install SteamCMD
 RUN echo "**** Install SteamCMD ****" \
   && echo steam steam/question select "I AGREE" | debconf-set-selections \
diff --git a/Dockerfile.ubuntu-2204 b/Dockerfile.ubuntu-2204
index e839fb4..3999b50 100644
--- a/Dockerfile.ubuntu-2204
+++ b/Dockerfile.ubuntu-2204
@@ -2,6 +2,7 @@ FROM ubuntu:22.04
 
 LABEL maintainer="LinuxGSM <me@danielgibbs.co.uk>"
 ARG DEBIAN_FRONTEND=noninteractive
+SHELL ["/bin/bash", "-o", "pipefail", "-c"]
 
 # Install SteamCMD
 RUN echo "**** Install SteamCMD ****" \