diff --git a/regress/control-client-size.sh b/regress/control-client-size.sh
new file mode 100644
index 00000000..818fa499
--- /dev/null
+++ b/regress/control-client-size.sh
@@ -0,0 +1,39 @@
+#!/bin/sh
+
+# 947
+# size in control mode should change after refresh-client -C
+
+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=$(mktemp)
+OUT=$(mktemp)
+trap "rm -f $TMP $OUT" 0 1 15
+
+$TMUX -f/dev/null new -d </dev/null || exit 1
+sleep 1
+cat <<EOF|$TMUX -C a >$TMP
+ls -F':#{session_width} #{session_height}'
+refresh -C 100,50
+ls -F':#{session_width} #{session_height}'
+EOF
+grep ^: $TMP >$OUT
+printf ":80 24\n:100 50\n"|cmp -s $OUT || exit 1
+$TMUX kill-server 2>/dev/null
+
+$TMUX -f/dev/null new -d </dev/null || exit 1
+sleep 1
+cat <<EOF|$TMUX -C a >$TMP
+ls -F':#{session_width} #{session_height}'
+refresh -C 80,24
+ls -F':#{session_width} #{session_height}'
+EOF
+grep ^: $TMP >$OUT
+printf ":80 24\n:80 24\n"|cmp -s $OUT || exit 1
+$TMUX kill-server 2>/dev/null
+
+exit 0
diff --git a/regress/new-session-size.sh b/regress/new-session-size.sh
new file mode 100644
index 00000000..f9394f35
--- /dev/null
+++ b/regress/new-session-size.sh
@@ -0,0 +1,27 @@
+#!/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 $TMP" 0 1 15
+
+$TMUX -f/dev/null new -d </dev/null || exit 1
+sleep 1
+$TMUX ls -F "#{session_width} #{session_height}" >$TMP
+printf "80 24\n"|cmp -s $TMP || exit 1
+$TMUX kill-server 2>/dev/null
+
+$TMUX -f/dev/null new -d -x 100 -y 50 </dev/null || exit 1
+sleep 1
+$TMUX ls -F "#{session_width} #{session_height}" >$TMP
+printf "100 50\n"|cmp -s $TMP || exit 1
+$TMUX kill-server 2>/dev/null
+
+exit 0