diff --git a/xml/dom-impl/src/com/intellij/util/xml/impl/FileDescriptionCachedValueProvider.java b/xml/dom-impl/src/com/intellij/util/xml/impl/FileDescriptionCachedValueProvider.java
index 3ddc390475b8..1e707befd39c 100644
--- a/xml/dom-impl/src/com/intellij/util/xml/impl/FileDescriptionCachedValueProvider.java
+++ b/xml/dom-impl/src/com/intellij/util/xml/impl/FileDescriptionCachedValueProvider.java
@@ -150,7 +150,7 @@ class FileDescriptionCachedValueProvider<T extends DomElement> implements SemEle
   }
 
   @Nullable
-  private DomFileDescription<T> findFileDescription(final XmlFileHeader rootTagName, @Nullable StringBuilder sb) {
+  private DomFileDescription<T> findFileDescription(final XmlFileHeader xmlFileHeader, @Nullable StringBuilder sb) {
     final DomFileDescription<T> mockDescription = myXmlFile.getUserData(DomManagerImpl.MOCK_DESCRIPTION);
     if (mockDescription != null) return mockDescription;
 
@@ -172,7 +172,7 @@ class FileDescriptionCachedValueProvider<T extends DomElement> implements SemEle
     }
 
     //noinspection unchecked
-    final Set<DomFileDescription> namedDescriptions = myDomManager.getFileDescriptions(rootTagName.getRootTagLocalName());
+    final Set<DomFileDescription> namedDescriptions = myDomManager.getFileDescriptions(xmlFileHeader.getRootTagLocalName());
     if (sb != null) {
       sb.append("named " + new HashSet<DomFileDescription>(namedDescriptions) + "\n");
     }