diff --git a/src/API/Kitsu.php b/src/API/Kitsu.php
index 6716339b..207135ea 100644
--- a/src/API/Kitsu.php
+++ b/src/API/Kitsu.php
@@ -219,11 +219,11 @@ class Kitsu {
 
 		foreach($existingTitles as $existing)
 		{
-			$isSubset = stripos($existing, $title) !== FALSE;
+			$isSubset = mb_stripos($existing, $title) !== FALSE;
 			$diff = levenshtein($existing, $title);
 			$onlydifferentCase = (mb_strtolower($existing) === mb_strtolower($title));
 
-			if ($diff < 3 OR $isSubset OR $onlydifferentCase)
+			if ($diff <= 3 OR $isSubset OR $onlydifferentCase OR mb_strlen($title) > 55)
 			{
 				return FALSE;
 			}