diff --git a/compiler/frontend/src/org/jetbrains/jet/resolve/DescriptorRenderer.java b/compiler/frontend/src/org/jetbrains/jet/resolve/DescriptorRenderer.java
index 868e7ec4ae8..991c3ced6a9 100644
--- a/compiler/frontend/src/org/jetbrains/jet/resolve/DescriptorRenderer.java
+++ b/compiler/frontend/src/org/jetbrains/jet/resolve/DescriptorRenderer.java
@@ -74,7 +74,7 @@ public class DescriptorRenderer implements Renderer {
 
     public String renderType(JetType type) {
         if (type == null) {
-            return escape("<?>");
+            return escape("[NULL]");
         } else {
             return escape(type.toString());
         }