diff --git a/vatValidation.class.php b/vatValidation.class.php
index 1a8eac9..f2726e8 100644
--- a/vatValidation.class.php
+++ b/vatValidation.class.php
@@ -86,7 +86,7 @@ private function cleanUpString($string) {
         }
                         
         $newString = "";
-        $words = split(" ",$string);
+        $words = explode(" ",$string);
         foreach($words as $k=>$w)
         {                       
            	$newString .= ucfirst(strtolower($w))." "; 
@@ -95,4 +95,4 @@ private function cleanUpString($string) {
 	}
 }
 
-?>
\ No newline at end of file
+?>