diff --git a/lib/colorls.rb b/lib/colorls.rb
index 57f369d..33a350d 100644
--- a/lib/colorls.rb
+++ b/lib/colorls.rb
@@ -5,6 +5,7 @@ require 'etc'
 require 'English'
 require 'filesize'
 require 'io/console'
+require 'io/console/size'
 require 'rainbow/ext/string'
 require 'clocale'
 require 'unicode/display_width'
diff --git a/lib/colorls/core.rb b/lib/colorls/core.rb
index 5ec1f3e..b7300b8 100644
--- a/lib/colorls/core.rb
+++ b/lib/colorls/core.rb
@@ -8,8 +8,17 @@ module ColorLS
     @file_encoding
   end
 
-  @screen_width = IO.console.winsize[1]
-  @screen_width = 80 if @screen_width.zero?
+  def self.terminal_width
+    console = IO.console
+
+    width = IO.console_size[1]
+
+    return width if console.nil? || console.winsize[1].zero?
+
+    console.winsize[1]
+  end
+
+  @screen_width = terminal_width
 
   def self.screen_width
     @screen_width