diff --git a/src/main/java/me/kavin/piped/consts/Constants.java b/src/main/java/me/kavin/piped/consts/Constants.java
index 6990876..3e00ef5 100644
--- a/src/main/java/me/kavin/piped/consts/Constants.java
+++ b/src/main/java/me/kavin/piped/consts/Constants.java
@@ -34,6 +34,8 @@ public class Constants {
 
     public static final String PUBLIC_URL;
 
+    public static final String PUBSUB_URL;
+
     public static final String HTTP_PROXY;
 
     public static final String FRONTEND_URL;
@@ -69,6 +71,7 @@ public class Constants {
             CAPTCHA_BASE_URL = getProperty(prop, "CAPTCHA_BASE_URL");
             CAPTCHA_API_KEY = getProperty(prop, "CAPTCHA_API_KEY");
             PUBLIC_URL = getProperty(prop, "API_URL");
+            PUBSUB_URL = getProperty(prop, "PUBSUB_URL", PUBLIC_URL);
             HTTP_PROXY = getProperty(prop, "HTTP_PROXY");
             FRONTEND_URL = getProperty(prop, "FRONTEND_URL", "https://piped.kavin.rocks");
             COMPROMISED_PASSWORD_CHECK = Boolean.parseBoolean(getProperty(prop, "COMPROMISED_PASSWORD_CHECK", "true"));
diff --git a/src/main/java/me/kavin/piped/utils/ResponseHelper.java b/src/main/java/me/kavin/piped/utils/ResponseHelper.java
index 1ba83b7..31c0d51 100644
--- a/src/main/java/me/kavin/piped/utils/ResponseHelper.java
+++ b/src/main/java/me/kavin/piped/utils/ResponseHelper.java
@@ -1418,7 +1418,7 @@ public class ResponseHelper {
 
         if (pubsub == null || System.currentTimeMillis() - pubsub.getSubbedAt() > TimeUnit.DAYS.toMillis(4)) {
 
-            String callback = Constants.PUBLIC_URL + "/webhooks/pubsub";
+            String callback = Constants.PUBSUB_URL + "/webhooks/pubsub";
             String topic = "https://www.youtube.com/xml/feeds/videos.xml?channel_id=" + channelId;
 
             var builder = new Request.Builder()