diff --git a/app/classes/shared/main_controller.py b/app/classes/shared/main_controller.py
index 0ae5d093..eb8c3219 100644
--- a/app/classes/shared/main_controller.py
+++ b/app/classes/shared/main_controller.py
@@ -419,13 +419,15 @@ class Controller:
             data["create_type"] == "minecraft_java"
             and root_create_data["create_type"] == "download_jar"
         ):
-            server_obj = self.servers.get_server_obj(new_server_id)
-            url = (
-                f"https://serverjars.com/api/fetchJar/{create_data['category']}"
-                f"/{create_data['type']}/{create_data['version']}"
-            )
-            server_obj.executable_update_url = url
-            self.servers.update_server(server_obj)
+            # modded update urls from server jars will only update the installer
+            if create_data["category"] != "modded":
+                server_obj = self.servers.get_server_obj(new_server_id)
+                url = (
+                    f"https://serverjars.com/api/fetchJar/{create_data['category']}"
+                    f"/{create_data['type']}/{create_data['version']}"
+                )
+                server_obj.executable_update_url = url
+                self.servers.update_server(server_obj)
             self.server_jars.download_jar(
                 create_data["category"],
                 create_data["type"],
@@ -509,10 +511,12 @@ class Controller:
             user_id,
             server_type="minecraft-java",
         )
-        server_obj = self.servers.get_server_obj(new_id)
-        url = f"https://serverjars.com/api/fetchJar/{jar}/{server}/{version}"
-        server_obj.executable_update_url = url
-        self.servers.update_server(server_obj)
+        # modded update urls from server jars will only update the installer
+        if jar != "modded":
+            server_obj = self.servers.get_server_obj(new_id)
+            url = f"https://serverjars.com/api/fetchJar/{jar}/{server}/{version}"
+            server_obj.executable_update_url = url
+            self.servers.update_server(server_obj)
         # download the jar
         self.server_jars.download_jar(
             jar, server, version, os.path.join(server_dir, server_file), new_id