diff --git a/xml/xml-psi-api/src/com/intellij/psi/xml/XmlTagChild.java b/xml/xml-psi-api/src/com/intellij/psi/xml/XmlTagChild.java
index d1a322e39cb4..7b61eb182d6c 100644
--- a/xml/xml-psi-api/src/com/intellij/psi/xml/XmlTagChild.java
+++ b/xml/xml-psi-api/src/com/intellij/psi/xml/XmlTagChild.java
@@ -19,6 +19,7 @@ import org.jetbrains.annotations.Nullable;
 
 public interface XmlTagChild extends XmlElement{
   XmlTagChild[] EMPTY_ARRAY = new XmlTagChild[0];
+  @Nullable
   XmlTag getParentTag();
 
   @Nullable