diff --git a/Caster/ClassStub.php b/Caster/ClassStub.php
index 758fe57b..c998b49f 100644
--- a/Caster/ClassStub.php
+++ b/Caster/ClassStub.php
@@ -56,7 +56,7 @@ public function __construct(string $identifier, $callable = null)
             }
 
             if (false !== strpos($identifier, "class@anonymous\0")) {
-                $this->value = $identifier = preg_replace_callback('/class@anonymous\x00.*?\.php(?:0x?|:)[0-9a-fA-F]++/', function ($m) {
+                $this->value = $identifier = preg_replace_callback('/class@anonymous\x00.*?\.php(?:0x?|:[0-9]++\$)[0-9a-fA-F]++/', function ($m) {
                     return class_exists($m[0], false) ? get_parent_class($m[0]).'@anonymous' : $m[0];
                 }, $identifier);
             }
diff --git a/Caster/ExceptionCaster.php b/Caster/ExceptionCaster.php
index 214026b0..9229bdd6 100644
--- a/Caster/ExceptionCaster.php
+++ b/Caster/ExceptionCaster.php
@@ -283,7 +283,7 @@ private static function filterExceptionArray(string $xClass, array $a, string $x
         unset($a[$xPrefix.'string'], $a[Caster::PREFIX_DYNAMIC.'xdebug_message'], $a[Caster::PREFIX_DYNAMIC.'__destructorException']);
 
         if (isset($a[Caster::PREFIX_PROTECTED.'message']) && false !== strpos($a[Caster::PREFIX_PROTECTED.'message'], "class@anonymous\0")) {
-            $a[Caster::PREFIX_PROTECTED.'message'] = preg_replace_callback('/class@anonymous\x00.*?\.php(?:0x?|:)[0-9a-fA-F]++/', function ($m) {
+            $a[Caster::PREFIX_PROTECTED.'message'] = preg_replace_callback('/class@anonymous\x00.*?\.php(?:0x?|:[0-9]++\$)[0-9a-fA-F]++/', function ($m) {
                 return class_exists($m[0], false) ? get_parent_class($m[0]).'@anonymous' : $m[0];
             }, $a[Caster::PREFIX_PROTECTED.'message']);
         }