diff --git a/webserver/src/main/kotlin/space/mori/chzzk_bot/webserver/Main.kt b/webserver/src/main/kotlin/space/mori/chzzk_bot/webserver/Main.kt
index 46f95a6..5a4c203 100644
--- a/webserver/src/main/kotlin/space/mori/chzzk_bot/webserver/Main.kt
+++ b/webserver/src/main/kotlin/space/mori/chzzk_bot/webserver/Main.kt
@@ -52,7 +52,7 @@ val server = embeddedServer(Netty, port = 8080, ) {
         allowMethod(HttpMethod.Patch)
         allowMethod(HttpMethod.Delete)
         allowMethod(HttpMethod.Get)
-        allowHost(dotenv["FRONTEND"] ?: "localhost:3000")
+        allowHost(dotenv["FRONTEND"] ?: "localhost:3000", schemes = listOf("http", "https"))
         allowCredentials = true
     }
     install(Sessions) {