diff --git a/python/ipnb/src/org/jetbrains/plugins/ipnb/configuration/IpnbSettings.java b/python/ipnb/src/org/jetbrains/plugins/ipnb/configuration/IpnbSettings.java
index 91e13963f34f..94b3dce8e480 100644
--- a/python/ipnb/src/org/jetbrains/plugins/ipnb/configuration/IpnbSettings.java
+++ b/python/ipnb/src/org/jetbrains/plugins/ipnb/configuration/IpnbSettings.java
@@ -14,7 +14,7 @@ public class IpnbSettings implements PersistentStateComponent<IpnbSettings> {
   public static final String DEFAULT_URL = "http://127.0.0.1:8888";
   public String URL = DEFAULT_URL;
   private String myWorkingDirectory;
-  private String myArguments;
+  private String myArguments = "--NotebookApp.token=''";
 
   public static IpnbSettings getInstance(@NotNull Project project) {
     return ServiceManager.getService(project, IpnbSettings.class);