diff --git a/platform/platform-impl/src/com/intellij/ide/CommandLineProcessor.java b/platform/platform-impl/src/com/intellij/ide/CommandLineProcessor.java
index 3b16ae4fd0ce..e97ed83ff357 100644
--- a/platform/platform-impl/src/com/intellij/ide/CommandLineProcessor.java
+++ b/platform/platform-impl/src/com/intellij/ide/CommandLineProcessor.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2000-2012 JetBrains s.r.o.
+ * Copyright 2000-2013 JetBrains s.r.o.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -124,7 +124,7 @@ public class CommandLineProcessor {
   }
 
   @Nullable
-  public static Project processExternalCommandLine(List<String> args, String currentDirectory) {
+  public static Project processExternalCommandLine(List<String> args, @Nullable String currentDirectory) {
     if (args.size() > 0) {
       LOG.info("External command line:");
       for (String arg : args) {
diff --git a/platform/platform-impl/src/com/intellij/ui/CustomProtocolHandler.java b/platform/platform-impl/src/com/intellij/ui/CustomProtocolHandler.java
index cfeb9cb404a5..e2a99dc35ce1 100644
--- a/platform/platform-impl/src/com/intellij/ui/CustomProtocolHandler.java
+++ b/platform/platform-impl/src/com/intellij/ui/CustomProtocolHandler.java
@@ -38,7 +38,7 @@ public abstract class CustomProtocolHandler {
 
   public boolean openLink(@NotNull URI uri) {
     final List<String> args = getOpenArgs(uri);
-    return !args.isEmpty() && CommandLineProcessor.processExternalCommandLine(args) != null;
+    return !args.isEmpty() && CommandLineProcessor.processExternalCommandLine(args, null) != null;
   }
 
   @NotNull