diff --git a/titles/chuni/sun.py b/titles/chuni/sun.py
index 86784b5..9a82a65 100644
--- a/titles/chuni/sun.py
+++ b/titles/chuni/sun.py
@@ -17,16 +17,16 @@ class ChuniSun(ChuniNewPlus):
         ret["gameSetting"]["dataVersion"] = self.game_cfg.version.version(self.version)["data"]
         ret["gameSetting"][
             "matchingUri"
-        ] = f"http://{self.core_cfg.title.hostname}:{self.core_cfg.title.port}/210/ChuniServlet/"
+        ] = f"http://{self.core_cfg.title.hostname}:{self.core_cfg.title.port}/SDHD/210/ChuniServlet/"
         ret["gameSetting"][
             "matchingUriX"
-        ] = f"http://{self.core_cfg.title.hostname}:{self.core_cfg.title.port}/210/ChuniServlet/"
+        ] = f"http://{self.core_cfg.title.hostname}:{self.core_cfg.title.port}/SDHD/210/ChuniServlet/"
         ret["gameSetting"][
             "udpHolePunchUri"
-        ] = f"http://{self.core_cfg.title.hostname}:{self.core_cfg.title.port}/210/ChuniServlet/"
+        ] = f"http://{self.core_cfg.title.hostname}:{self.core_cfg.title.port}/SDHD/210/ChuniServlet/"
         ret["gameSetting"][
             "reflectorUri"
-        ] = f"http://{self.core_cfg.title.hostname}:{self.core_cfg.title.port}/210/ChuniServlet/"
+        ] = f"http://{self.core_cfg.title.hostname}:{self.core_cfg.title.port}/SDHD/210/ChuniServlet/"
         return ret
 
     def handle_cm_get_user_preview_api_request(self, data: Dict) -> Dict:
@@ -34,4 +34,4 @@ class ChuniSun(ChuniNewPlus):
 
         # hardcode lastDataVersion for CardMaker 1.35 A032
         user_data["lastDataVersion"] = "2.10.00"
-        return user_data
+        return user_data
\ No newline at end of file