diff --git a/regress/command-order.sh b/regress/command-order.sh
new file mode 100644
index 00000000..fb4e0324
--- /dev/null
+++ b/regress/command-order.sh
@@ -0,0 +1,53 @@
+#!/bin/sh
+
+# new-session without clients should be the right size
+
+PATH=/bin:/usr/bin
+TERM=screen
+
+[ -z "$TEST_TMUX" ] && TEST_TMUX=$(readlink -f ../tmux)
+TMUX="$TEST_TMUX -Ltest"
+$TMUX kill-server 2>/dev/null
+
+TMP=$(mktemp)
+trap "rm -f $TMP" 0 1 15
+
+cat <<EOF >$TMP
+new -sfoo -nfoo0; neww -nfoo1; neww -nfoo2
+new -sbar -nbar0; neww -nbar1; neww -nbar2
+EOF
+$TMUX -f$TMP start </dev/null || exit 1
+sleep 1
+$TMUX lsw -aF '#{session_name},#{window_name}'|sort >$TMP || exit 1
+cat <<EOF|cmp -s $TMP - || exit 1
+bar,bar0
+bar,bar1
+bar,bar2
+foo,foo0
+foo,foo1
+foo,foo2
+EOF
+$TMUX kill-server 2>/dev/null
+
+cat <<EOF >$TMP
+new -sfoo -nfoo0
+neww -nfoo1
+neww -nfoo2
+new -sbar -nbar0
+neww -nbar1
+neww -nbar2
+EOF
+$TMUX -f$TMP start </dev/null || exit 1
+sleep 1
+$TMUX lsw -aF '#{session_name},#{window_name}'|sort >$TMP || exit 1
+cat <<EOF|cmp -s $TMP - || exit 1
+bar,bar0
+bar,bar1
+bar,bar2
+foo,foo0
+foo,foo1
+foo,foo2
+EOF
+$TMUX kill-server 2>/dev/null
+
+exit 0