diff --git a/xml/impl/src/com/intellij/codeInsight/daemon/impl/analysis/XmlNsPrefixAnnotator.java b/xml/impl/src/com/intellij/codeInsight/daemon/impl/analysis/XmlNsPrefixAnnotator.java
index bbcef4ec74f0..eacbd5c78c73 100644
--- a/xml/impl/src/com/intellij/codeInsight/daemon/impl/analysis/XmlNsPrefixAnnotator.java
+++ b/xml/impl/src/com/intellij/codeInsight/daemon/impl/analysis/XmlNsPrefixAnnotator.java
@@ -24,9 +24,10 @@ import com.intellij.psi.impl.source.xml.SchemaPrefixReference;
 import com.intellij.psi.xml.XmlAttribute;
 import com.intellij.psi.xml.XmlTag;
 import com.intellij.util.containers.ContainerUtil;
-import com.intellij.util.containers.FilteringIterator;
 import org.jetbrains.annotations.NotNull;
 
+import java.util.List;
+
 /**
  * @author Dmitry Avdeev
  *         Date: 25.10.13
@@ -35,9 +36,8 @@ public class XmlNsPrefixAnnotator implements Annotator {
   @Override
   public void annotate(@NotNull PsiElement element, @NotNull AnnotationHolder holder) {
     if (element instanceof XmlTag || element instanceof XmlAttribute) {
-      SchemaPrefixReference reference =
-        (SchemaPrefixReference)ContainerUtil.find(element.getReferences(), FilteringIterator.instanceOf(SchemaPrefixReference.class));
-      if (reference != null) {
+      List<SchemaPrefixReference> references = ContainerUtil.findAll(element.getReferences(), SchemaPrefixReference.class);
+      for (SchemaPrefixReference reference : references) {
         TextRange rangeInElement = reference.getRangeInElement();
         if (!rangeInElement.isEmpty()) {
           TextRange range = rangeInElement.shiftRight(element.getTextRange().getStartOffset());