diff --git a/platform/bootstrap/src/com/intellij/ide/ClassloaderUtil.java b/platform/bootstrap/src/com/intellij/ide/ClassloaderUtil.java
index d521547510f4..ac5bce4ff840 100644
--- a/platform/bootstrap/src/com/intellij/ide/ClassloaderUtil.java
+++ b/platform/bootstrap/src/com/intellij/ide/ClassloaderUtil.java
@@ -223,6 +223,9 @@ public class ClassloaderUtil {
       final File libFolder = new File(aFolderPath + File.separator + "lib");
       addLibraries(classPath, libFolder, selfRootUrl);
 
+      final File extLib = new File(new File(libFolder, "ext"), "lib");
+      addLibraries(classPath, extLib, selfRootUrl);
+
       final File antLib = new File(new File(libFolder, "ant"), "lib");
       addLibraries(classPath, antLib, selfRootUrl);
     }