diff --git a/ServerWrapper/src/main/java/pro/gravit/launcher/server/ServerWrapper.java b/ServerWrapper/src/main/java/pro/gravit/launcher/server/ServerWrapper.java
index a0505386..5400b2b4 100644
--- a/ServerWrapper/src/main/java/pro/gravit/launcher/server/ServerWrapper.java
+++ b/ServerWrapper/src/main/java/pro/gravit/launcher/server/ServerWrapper.java
@@ -141,14 +141,16 @@ public void run(String... args) throws Throwable {
         }
         Class<?> mainClass;
         if (config.classpath != null && !config.classpath.isEmpty()) {
-            if (!ServerAgent.isAgentStarted()) {
-                LogHelper.warning("JavaAgent not found. Using URLClassLoader");
+            if(config.classLoaderConfig == ClientProfile.ClassLoaderConfig.LAUNCHER) {
                 URL[] urls = config.classpath.stream().map(Paths::get).map(IOHelper::toURL).toArray(URL[]::new);
                 ucp = new PublicURLClassLoader(urls);
                 Thread.currentThread().setContextClassLoader(ucp);
                 loader = ucp;
-            } else {
-                LogHelper.info("Found %d custom classpath elements", config.classpath.size());
+            } else if(config.classLoaderConfig == ClientProfile.ClassLoaderConfig.AGENT) {
+                if (!ServerAgent.isAgentStarted()) {
+                    LogHelper.error("JavaAgent not found");
+                    System.exit(-1);
+                }
                 for (String c : config.classpath)
                     ServerAgent.addJVMClassPath(c);
             }
@@ -207,6 +209,7 @@ public Config getDefaultConfig() {
         newConfig.args = new ArrayList<>();
         newConfig.classpath = new ArrayList<>();
         newConfig.address = "ws://localhost:9274/api";
+        newConfig.classLoaderConfig = ClientProfile.ClassLoaderConfig.SYSTEM_ARGS;
         newConfig.env = LauncherConfig.LauncherEnvironment.STD;
         return newConfig;
     }
@@ -219,6 +222,7 @@ public static final class Config {
         public boolean autoloadLibraries;
         public String logFile;
         public List<String> classpath;
+        public ClientProfile.ClassLoaderConfig classLoaderConfig;
         public String librariesDir;
         public String mainclass;
         public List<String> args;
diff --git a/ServerWrapper/src/main/java/pro/gravit/launcher/server/setup/ServerWrapperSetup.java b/ServerWrapper/src/main/java/pro/gravit/launcher/server/setup/ServerWrapperSetup.java
index ef95b185..94194432 100644
--- a/ServerWrapper/src/main/java/pro/gravit/launcher/server/setup/ServerWrapperSetup.java
+++ b/ServerWrapper/src/main/java/pro/gravit/launcher/server/setup/ServerWrapperSetup.java
@@ -1,5 +1,6 @@
 package pro.gravit.launcher.server.setup;
 
+import pro.gravit.launcher.profiles.ClientProfile;
 import pro.gravit.launcher.request.Request;
 import pro.gravit.launcher.request.websockets.StdWebSocketService;
 import pro.gravit.launcher.server.ServerWrapper;
@@ -57,6 +58,7 @@ public void run() throws Exception {
         System.out.println("Print your server name:");
         wrapper.config.serverName = commands.commandHandler.readLine();
         wrapper.config.mainclass = mainClassName;
+        boolean altMode = false;
         for (int i = 0; i < 10; ++i) {
             if(!Request.isAvailable() || Request.getRequestService().isClosed()) {
                 System.out.println("Print launchserver websocket host( ws://host:port/api ):");
@@ -84,6 +86,12 @@ public void run() throws Exception {
                     ((AutoCloseable) Request.getRequestService()).close();
                 }
             }
+            if(wrapper.profile != null && wrapper.profile.getVersion().compareTo(ClientProfile.Version.MC118) >= 0) {
+                LogHelper.info("Switch to alternative start mode (1.18)");
+                wrapper.config.classpath.add(jarName);
+                wrapper.config.classLoaderConfig = ClientProfile.ClassLoaderConfig.LAUNCHER;
+                altMode = true;
+            }
         }
         wrapper.saveConfig();
         LogHelper.info("Generate start script");
@@ -116,10 +124,12 @@ public void run() throws Exception {
             writer.append("-cp ");
             String pathServerWrapper = IOHelper.getCodeSource(ServerWrapper.class).getFileName().toString();
             writer.append(pathServerWrapper);
-            if (JVMHelper.OS_TYPE == JVMHelper.OS.MUSTDIE) {
-                writer.append(";");
-            } else writer.append(":");
-            writer.append(jarName);
+            if(!altMode) {
+                if (JVMHelper.OS_TYPE == JVMHelper.OS.MUSTDIE) {
+                    writer.append(";");
+                } else writer.append(":");
+                writer.append(jarName);
+            }
             writer.append(" ");
             writer.append(ServerWrapper.class.getName());
             writer.append("\n");