diff --git a/dictionaries/CallMap.php b/dictionaries/CallMap.php
index 338a7fba1..1a70d927c 100644
--- a/dictionaries/CallMap.php
+++ b/dictionaries/CallMap.php
@@ -7289,7 +7289,7 @@ return [
 'mb_scrub' => ['string', 'string'=>'string', 'encoding='=>'string'],
 'mb_send_mail' => ['bool', 'to'=>'string', 'subject'=>'string', 'message'=>'string', 'additional_headers='=>'string|array', 'additional_params='=>'string'],
 'mb_split' => ['list<string>', 'pattern'=>'string', 'string'=>'string', 'limit='=>'int'],
-'mb_str_split' => ['list<string>', 'string'=>'string', 'limit='=>'int', 'encoding='=>'string|null'],
+'mb_str_split' => ['list<string>', 'string'=>'string', 'length='=>'int', 'encoding='=>'string|null'],
 'mb_strcut' => ['string', 'string'=>'string', 'start'=>'int', 'length='=>'?int', 'encoding='=>'string'],
 'mb_strimwidth' => ['string', 'string'=>'string', 'start'=>'int', 'width'=>'int', 'trim_marker='=>'string', 'encoding='=>'string'],
 'mb_stripos' => ['int|false', 'haystack'=>'string', 'needle'=>'string', 'offset='=>'int', 'encoding='=>'string'],
diff --git a/dictionaries/CallMap_74_delta.php b/dictionaries/CallMap_74_delta.php
index f62cf408f..09cb82c34 100644
--- a/dictionaries/CallMap_74_delta.php
+++ b/dictionaries/CallMap_74_delta.php
@@ -16,7 +16,7 @@
 return [
 'new' => [
     'gzread' => ['string|false', 'stream'=>'resource', 'length'=>'int'],
-    'mb_str_split' => ['list<string>', 'string'=>'string', 'limit='=>'int', 'encoding='=>'string|null'],
+    'mb_str_split' => ['list<string>', 'string'=>'string', 'length='=>'int', 'encoding='=>'string|null'],
     'password_hash' => ['string|null', 'password'=>'string', 'algo'=>'int|string|null', 'options='=>'array'],
     'password_needs_rehash' => ['bool', 'hash'=>'string', 'algo'=>'int|string|null', 'options='=>'array'],
     'proc_open' => ['resource|false', 'command'=>'string|array', 'descriptorspec'=>'array', '&w_pipes'=>'resource[]', 'cwd='=>'?string', 'env='=>'?array', 'other_options='=>'array'],