diff --git a/src/Illuminate/Collections/Arr.php b/src/Illuminate/Collections/Arr.php
index b8fa075073a4..267991ad00f0 100644
--- a/src/Illuminate/Collections/Arr.php
+++ b/src/Illuminate/Collections/Arr.php
@@ -558,7 +558,7 @@ public static function integer(ArrayAccess|array $array, string|int|null $key, ?
     {
         $value = Arr::get($array, $key, $default);
 
-        if (! is_integer($value)) {
+        if (! is_int($value)) {
             throw new InvalidArgumentException(
                 sprintf('Array value for key [%s] must be an integer, %s found.', $key, gettype($value))
             );