diff --git a/docker/build.sh b/docker/build.sh
index a0624e7..8d077a1 100755
--- a/docker/build.sh
+++ b/docker/build.sh
@@ -1,10 +1,10 @@
 #!/bin/sh
-
-cd ..
-make build
-cp build/factorio-server-manager-linux.zip docker/factorio-server-manager-linux.zip
-
-cd docker
+set -eou pipefail
+(
+  cd ..
+  make build
+  cp build/factorio-server-manager-linux.zip docker/factorio-server-manager-linux.zip
+)
 docker build -f Dockerfile-local -t factorio-server-manager:dev .
 
 rm factorio-server-manager-linux.zip