diff --git a/htmltidy.module b/htmltidy.module
index fadcef5..97afa8e 100644
--- a/htmltidy.module
+++ b/htmltidy.module
@@ -412,7 +412,7 @@ function htmltidy_run($input, $tidypath, $args, &$output, &$errors, &$warnings)

     case 1:
       $errors = array();
-      foreach (array_filter(split("\n", $stderr)) as $line) {
+      foreach (array_filter(preg_split("/\n/", $stderr)) as $line) {
         $warnings[] = trim($line);
       }
       $output = $stdout;
@@ -421,7 +421,7 @@ function htmltidy_run($input, $tidypath, $args, &$output, &$errors, &$warnings)
     case 2:
       // separate errors and warnings into two different arrays

-      foreach (array_filter(split("\n", $stdout)) as $line) {
+      foreach (array_filter(preg_split("/\n/", $stdout)) as $line) {
         $line = trim($line);
         if (preg_match('|^line \d+ column \d+ - Warning:|', $line)) {
           $warnings[] = $line;