diff --git a/example/blessed-telnet.js b/example/blessed-telnet.js
index b711306..a8f7279 100755
--- a/example/blessed-telnet.js
+++ b/example/blessed-telnet.js
@@ -25,6 +25,10 @@ var server = telnet.createServer(function(client) {
   client.do.window_size();
   client.do.environment_variables();
 
+  client.on('debug', function(msg) {
+    console.error(msg);
+  });
+
   client.on('environment variables', function(data) {
     if (data.command === 'sb' && data.name === 'TERM') {
       screen.terminal = data.value;
diff --git a/lib/program.js b/lib/program.js
index 16b8681..6ca0b18 100644
--- a/lib/program.js
+++ b/lib/program.js
@@ -71,6 +71,8 @@ function Program(options) {
     || process.env.TERM
     || (process.platform === 'win32' ? 'windows-ansi' : 'xterm');
 
+  this._terminal = this._terminal.toLowerCase();
+
   // OSX
   this.isOSXTerm = process.env.TERM_PROGRAM === 'Apple_Terminal';
   this.isiTerm2 = process.env.TERM_PROGRAM === 'iTerm.app'
@@ -308,7 +310,7 @@ Program.prototype.__defineSetter__('terminal', function(terminal) {
 });
 
 Program.prototype.setTerminal = function(terminal) {
-  this._terminal = terminal;
+  this._terminal = terminal.toLowerCase();
   delete this._tputSetup;
   this.setupTput();
 };
diff --git a/lib/tput.js b/lib/tput.js
index 8b99730..5064512 100644
--- a/lib/tput.js
+++ b/lib/tput.js
@@ -46,6 +46,8 @@ function Tput(options) {
     || process.env.TERM
     || (process.platform === 'win32' ? 'windows-ansi' : 'xterm');
 
+  this.terminal = this.terminal.toLowerCase();
+
   this.debug = options.debug;
   this.padding = options.padding;
   this.extended = options.extended;