diff --git a/autogen.sh b/autogen.sh
index fff8323..2e809c6 100644
--- a/autogen.sh
+++ b/autogen.sh
@@ -1,6 +1,8 @@
 #! /bin/sh
 # Run this to generate all the initial makefiles, etc.
 
+set -e
+
 srcdir=`dirname $0`
 test -z "$srcdir" && srcdir=.