diff --git a/distrib/scripts/mac/tardist b/distrib/scripts/mac/tardist
index 29a3abb620..669ddef9be 100644
--- a/distrib/scripts/mac/tardist
+++ b/distrib/scripts/mac/tardist
@@ -7,6 +7,8 @@
 # because there's not enough space on the command line, plus we need to ignore the
 # blank lines.
 
+set -o errexit
+
 PROGNAME=$0
 WXSRC=$1
 WXDEST=$2
diff --git a/distrib/scripts/msw/makesetup.sh b/distrib/scripts/msw/makesetup.sh
index 8138ee1c76..fe88221ddc 100755
--- a/distrib/scripts/msw/makesetup.sh
+++ b/distrib/scripts/msw/makesetup.sh
@@ -4,6 +4,8 @@
 # Example:
 # ../distrib/msw/makesetup.sh --wxmsw --verbose &> log
 
+set -o errexit
+
 # If your zip accepts Cygwin-style paths, then
 # use cygpath, else substitute echo
 CYGPATHPROG=cygpath
diff --git a/distrib/scripts/unix/maketarballs b/distrib/scripts/unix/maketarballs
index e4cebb5899..aa11327671 100755
--- a/distrib/scripts/unix/maketarballs
+++ b/distrib/scripts/unix/maketarballs
@@ -1,6 +1,8 @@
 #!/bin/sh
 # Makes the wxWidgets tarballs with 'make dist'
 
+set -o errexit
+
 PROGNAME=$0
 WXSRC=$1
 WXDEST=$2