diff --git a/compiler/tests/org/jetbrains/jet/NamespaceComparator.java b/compiler/tests/org/jetbrains/jet/NamespaceComparator.java
index cb8a526d41a..a8b913c3aa6 100644
--- a/compiler/tests/org/jetbrains/jet/NamespaceComparator.java
+++ b/compiler/tests/org/jetbrains/jet/NamespaceComparator.java
@@ -353,7 +353,12 @@ class NamespaceComparator {
         }
 
         public void serialize(TypeParameterDescriptor param) {
-            sb.append("/*").append(param.getIndex()).append("*/ ");
+            sb.append("/*");
+            sb.append(param.getIndex());
+            if (param.isReified()) {
+                sb.append(",r");
+            }
+            sb.append("*/ ");
             serialize(param.getVariance());
             sb.append(param.getName());
             if (!param.getUpperBounds().isEmpty()) {