diff --git a/packaging/osx/buildpackage.sh b/packaging/osx/buildpackage.sh
index fc13082..9053178 100755
--- a/packaging/osx/buildpackage.sh
+++ b/packaging/osx/buildpackage.sh
@@ -1,5 +1,6 @@
 #!/bin/bash
 # OpenRA packaging script for macOS
+set -e
 
 command -v make >/dev/null 2>&1 || { echo >&2 "The OpenRA mod template requires make."; exit 1; }
 command -v python >/dev/null 2>&1 || { echo >&2 "The OpenRA mod template requires python."; exit 1; }
diff --git a/packaging/package-all.sh b/packaging/package-all.sh
index 461dacc..bdea341 100755
--- a/packaging/package-all.sh
+++ b/packaging/package-all.sh
@@ -1,4 +1,5 @@
 #!/bin/bash
+set -e
 
 if [ $# -ne "2" ]; then
     echo "Usage: `basename $0` version outputdir"
diff --git a/packaging/windows/buildpackage.sh b/packaging/windows/buildpackage.sh
index 9e5d7da..023c488 100755
--- a/packaging/windows/buildpackage.sh
+++ b/packaging/windows/buildpackage.sh
@@ -1,4 +1,5 @@
 #!/bin/bash
+set -e
 
 command -v curl >/dev/null 2>&1 || { echo >&2 "Windows packaging requires curl."; exit 1; }
 command -v makensis >/dev/null 2>&1 || { echo >&2 "Windows packaging requires makensis."; exit 1; }