diff --git a/platform/util-rt/src/com/intellij/util/PathUtilRt.java b/platform/util-rt/src/com/intellij/util/PathUtilRt.java
index 75e038fe01ec..7f413e37c9cb 100644
--- a/platform/util-rt/src/com/intellij/util/PathUtilRt.java
+++ b/platform/util-rt/src/com/intellij/util/PathUtilRt.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.
@@ -65,7 +65,7 @@ public class PathUtilRt {
   }
 
   public static boolean isValidFileName(@NotNull String fileName) {
-    if (fileName.length() == 0) {
+    if (fileName.length() == 0 || fileName.equals(".") || fileName.equals("..")) {
       return false;
     }
     for (int i = 0; i < fileName.length(); i++) {
@@ -75,6 +75,7 @@ public class PathUtilRt {
     }
     return true;
   }
+
   private static boolean isValidFileNameChar(char c) {
     return c != '/' && c != '\\' && c != '\t' && c != '\n' && c != '\r' && c != ':' && c != ';' && c != '*' && c != '?' &&
            c != '"' && c != '\'' && c != '<' && c != '>';