diff --git a/index.php b/index.php
index c9e15c41..db73db38 100644
--- a/index.php
+++ b/index.php
@@ -53,7 +53,7 @@ foreach (ServConfig::getServerList() as $setting) {
     <title>삼국지 모의전투 HiDCHe</title>
     <script>
         var kakao_oauth_client_id = '<?= KakaoKey::REST_KEY ?>';
-        var kakao_oauth_redirect_uri = '<?= WebUtil::replaceDomain(KakaoKey::REDIRECT_URI, $_SERVER['HTTP_HOST']) ?>';
+        var kakao_oauth_redirect_uri = '<?= WebUtil::replaceDomain(KakaoKey::REDIRECT_URI) ?>';
     </script>
     <?= WebUtil::printJS('d_shared/common_path.js') ?>
     <?= WebUtil::printCSS('d_shared/common.css') ?>
diff --git a/src/kakao/Kakao_REST_API_Helper.php b/src/kakao/Kakao_REST_API_Helper.php
index 36a3ffb8..29ce3da8 100644
--- a/src/kakao/Kakao_REST_API_Helper.php
+++ b/src/kakao/Kakao_REST_API_Helper.php
@@ -85,7 +85,10 @@ class Kakao_REST_API_Helper
         }
 
         if($changeRedirectDomain && key_exists('HTTP_HOST', $_SERVER)){
-            $uriObj = Uri::createFromBaseUri(KakaoKey::REDIRECT_URI, $_SERVER['HTTP_HOST']);
+            $uriObj = Uri::createFromBaseUri(
+                KakaoKey::REDIRECT_URI,
+                Uri::createFromServer($_SERVER)
+            );
             $this->REDIRECT_URI = (string)$uriObj;
         }
         else{
diff --git a/src/sammo/WebUtil.php b/src/sammo/WebUtil.php
index 1b599df2..63369af8 100644
--- a/src/sammo/WebUtil.php
+++ b/src/sammo/WebUtil.php
@@ -337,8 +337,11 @@ class WebUtil
         return join("\n", $result);
     }
 
-    public static function replaceDomain(string $origPath, string $newDomain): string{
-        $upath = Uri::createFromBaseUri($origPath, $newDomain);
+    public static function replaceDomain(string $origPath): string{
+        $upath = Uri::createFromBaseUri(
+            $origPath,
+            Uri::createFromServer($_SERVER)
+        );
         return (string)$upath;
     }
 }