diff --git a/xml/dom-impl/src/com/intellij/util/xml/stubs/DomStub.java b/xml/dom-impl/src/com/intellij/util/xml/stubs/DomStub.java
index 0a0823d532c9..8ddf4632a40a 100644
--- a/xml/dom-impl/src/com/intellij/util/xml/stubs/DomStub.java
+++ b/xml/dom-impl/src/com/intellij/util/xml/stubs/DomStub.java
@@ -152,6 +152,8 @@ public abstract class DomStub extends ObjectStubBase<DomStub> {
   public int hashCode() {
     int result = myLocalName.hashCode();
     result = 31 * result + myNamespace.hashCode();
+    result = 31 * result + getIndex();
+    result = 31 * result + (isCustom() ? 1 : 0);
     return result;
   }
 }