diff --git a/app/Filament/Resources/ServerResource/Pages/CreateServer.php b/app/Filament/Resources/ServerResource/Pages/CreateServer.php
index 3568d478b3..d9b29ca7c9 100644
--- a/app/Filament/Resources/ServerResource/Pages/CreateServer.php
+++ b/app/Filament/Resources/ServerResource/Pages/CreateServer.php
@@ -813,7 +813,7 @@ public function resetEggVariables(Forms\Set $set, Forms\Get $get)
         $serverVariables = collect();
         $this->ports = [];
         foreach ($variables as $variable) {
-            if (str_contains($variable->rules, 'port')) {
+            if (in_array('port', $variable->rules)) {
                 $this->eggDefaultPorts[$variable->env_variable] = $variable->default_value;
                 $this->ports[] = (int) $variable->default_value;