diff --git a/interface/lib/app.inc.php b/interface/lib/app.inc.php
index 11bd02439841fde35fb62e7d7c1bba116bf28a23..e341a57943cc65d364cdd7296030fab76dd2c8da 100755
--- a/interface/lib/app.inc.php
+++ b/interface/lib/app.inc.php
@@ -248,7 +248,7 @@ class app {
 			}
 			$this->_language_inc = 1;
 		}
-		if(isset($this->_wb[$text]) && $this->wb[$text] !== '') {
+		if(isset($this->_wb[$text]) && $this->_wb[$text] !== '') {
 			$text = $this->_wb[$text];
 		} else {
 			if($this->_conf['debug_language']) {