diff --git a/src/Helper.php b/src/Helper.php
index 722597669a8978ca7f12c585e22fdcc9bd9deaa8..e37eb5581fa933bb30b637572651d93f9db9fa31 100644
--- a/src/Helper.php
+++ b/src/Helper.php
@@ -54,8 +54,7 @@ class Helper
     {
         $ds = DIRECTORY_SEPARATOR;
         $codePageBinary = implode($ds,['C:','Windows','System32','chcp.com']);
-        if (file_exists($codePageBinary) && static::canUseExcCommand())
-        {
+        if (file_exists($codePageBinary) && ProcessHelper::canUseExcCommand()) {
             @pclose(@popen("{$codePageBinary} {$code}", 'r'));
         }
     }