diff --git a/CHANGELOG.md b/CHANGELOG.md
index dfdd1973..2d077c05 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -4,6 +4,10 @@ All notable changes to this project will be documented in this file
 automatically by Versionist. DO NOT EDIT THIS FILE MANUALLY!
 This project adheres to [Semantic Versioning](http://semver.org/).
 
+## v7.0.3 - 2018-03-15
+
+* Fix getting window size when there’s no TTY attached #812 [Akis Kesoglou]
+
 ## v7.0.2 - 2018-03-13
 
 * Update full CLI docs with recent installation improvements too #807 [Tim Perry]
diff --git a/lib/utils/tty.coffee b/lib/utils/tty.coffee
index 22610ce1..20f9dae5 100644
--- a/lib/utils/tty.coffee
+++ b/lib/utils/tty.coffee
@@ -2,9 +2,9 @@
 windowSize = {}
 
 updateWindowSize = ->
-	size = require('window-size').get()
-	windowSize.width = size.width
-	windowSize.height = size.height
+	size = require('window-size')?.get()
+	windowSize.width = size?.width
+	windowSize.height = size?.height
 
 process.stdout.on('resize', updateWindowSize)
 
@@ -13,7 +13,8 @@ module.exports = (stream = process.stdout) ->
 	updateWindowSize()
 
 	currentWindowSize = ->
-		# always return a copy
+		# always return a copy.
+		# width/height can be undefined if no TTY.
 		width: windowSize.width
 		height: windowSize.height
 
diff --git a/package.json b/package.json
index eedda1e5..0f544955 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "resin-cli",
-  "version": "7.0.2",
+  "version": "7.0.3",
   "description": "The official resin.io CLI tool",
   "main": "./build/actions/index.js",
   "homepage": "https://github.com/resin-io/resin-cli",