diff --git a/regress/if-shell-TERM.sh b/regress/if-shell-TERM.sh
index d1257ec7..c29741ac 100644
--- a/regress/if-shell-TERM.sh
+++ b/regress/if-shell-TERM.sh
@@ -1,6 +1,7 @@
 #!/bin/sh
 
 # 882
+# TERM should come from outside tmux for if-shell from the config file
 
 PATH=/bin:/usr/bin
 TERM=screen
diff --git a/regress/if-shell-error.sh b/regress/if-shell-error.sh
index 354f8580..4477850c 100644
--- a/regress/if-shell-error.sh
+++ b/regress/if-shell-error.sh
@@ -1,6 +1,7 @@
 #!/bin/sh
 
 # 883
+# if-shell with an error should not core :-)
 
 PATH=/bin:/usr/bin
 TERM=screen
diff --git a/regress/new-session-no-client.sh b/regress/new-session-no-client.sh
new file mode 100644
index 00000000..47e952b3
--- /dev/null
+++ b/regress/new-session-no-client.sh
@@ -0,0 +1,25 @@
+#!/bin/sh
+
+# 869
+# new with no client (that is, from the config file) should imply -d and
+# not attach
+
+PATH=/bin:/usr/bin
+TERM=screen
+
+[ -z "$TEST_TMUX" ] && TEST_TMUX=../tmux
+TMUX="$TEST_TMUX -Ltest"
+$TMUX kill-server 2>/dev/null
+
+TMP=$(mktemp)
+trap "rm -f $TMP" 0 1 15
+
+cat <<EOF >$TMP
+new -stest
+EOF
+
+$TMUX -f$TMP start || exit 1
+sleep 1 && $TMUX has -t=test: || exit 1
+$TMUX kill-server 2>/dev/null
+
+exit 0