diff --git a/Classes/Command/AbstractCommandController.php b/Classes/Command/AbstractCommandController.php
index b464fa2..da99713 100644
--- a/Classes/Command/AbstractCommandController.php
+++ b/Classes/Command/AbstractCommandController.php
@@ -39,7 +39,7 @@
 }
 
 // Get terminal width
-if (@exec('tput cols')) {
+if (getenv('TERM') && @exec('tput cols')) {
     define('TERMINAL_WIDTH', exec('tput cols'));
 } else {
     define('TERMINAL_WIDTH', 79);