thodg/got

diff --git a/regress/cmdline/common.sh b/regress/cmdline/common.sh
index 0605ccf..a6e70b9 100644
--- a/regress/cmdline/common.sh
+++ b/regress/cmdline/common.sh
@@ -17,6 +17,8 @@
 name=$(getent passwd $USER | cut -d: -f5)
 export GOT_AUTHOR="$name <$(whoami)@$(hostname)>"
 
+export MALLOC_OPTIONS=S
+
 function git_init
 {
 	git init -q "$@"