diff --git a/application/Html2Text.php b/application/Html2Text.php
index 51aa166bf..6b3c898a6 100644
--- a/application/Html2Text.php
+++ b/application/Html2Text.php
@@ -30,7 +30,7 @@ function mb_str_replace($search, $replace, $subject, &$count = 0) {
 		$replacements = array_pad($replacements, count($searches), '');
 		foreach ($searches as $key => $search) {
 			$parts = mb_split(preg_quote($search), $subject);
-			if (is_countable($parts))
+			if (is_array($parts))
 			{
 				$count += count($parts) - 1;
 				$subject = implode($replacements[$key], $parts);