diff --git a/platform/lang-impl/src/com/intellij/psi/formatter/FormatterUtil.java b/platform/lang-impl/src/com/intellij/psi/formatter/FormatterUtil.java
index 560eeaf99bda..29ebe783e261 100644
--- a/platform/lang-impl/src/com/intellij/psi/formatter/FormatterUtil.java
+++ b/platform/lang-impl/src/com/intellij/psi/formatter/FormatterUtil.java
@@ -21,8 +21,11 @@ import com.intellij.lang.ASTFactory;
 import com.intellij.lang.ASTNode;
 import com.intellij.lang.Language;
 import com.intellij.openapi.command.CommandProcessor;
+import com.intellij.openapi.editor.Document;
 import com.intellij.openapi.util.TextRange;
+import com.intellij.psi.PsiDocumentManager;
 import com.intellij.psi.PsiElement;
+import com.intellij.psi.PsiFile;
 import com.intellij.psi.TokenType;
 import com.intellij.psi.impl.source.SourceTreeToPsiMap;
 import com.intellij.psi.impl.source.tree.*;
@@ -489,4 +492,15 @@ public class FormatterUtil {
   public static boolean isFormatterCalledExplicitly() {
     return FORMATTER_ACTION_NAMES.contains(CommandProcessor.getInstance().getCurrentCommandName());
   }
+
+  @Nullable
+  public static Document getFileDocument(@NotNull PsiFile file) {
+    if (file.isValid()) {
+      Document document = PsiDocumentManager.getInstance(file.getProject()).getDocument(file);
+      if (document != null) return document;
+      return file.getViewProvider().getDocument();
+    }
+    return null;
+  }
+
 }
diff --git a/platform/lang-impl/src/com/intellij/psi/impl/source/codeStyle/CodeFormatterFacade.java b/platform/lang-impl/src/com/intellij/psi/impl/source/codeStyle/CodeFormatterFacade.java
index ec6c2c1301c7..b343f20d3921 100644
--- a/platform/lang-impl/src/com/intellij/psi/impl/source/codeStyle/CodeFormatterFacade.java
+++ b/platform/lang-impl/src/com/intellij/psi/impl/source/codeStyle/CodeFormatterFacade.java
@@ -46,6 +46,7 @@ import com.intellij.psi.codeStyle.CodeStyleSettings;
 import com.intellij.psi.codeStyle.CodeStyleSettingsManager;
 import com.intellij.psi.codeStyle.CommonCodeStyleSettings;
 import com.intellij.psi.formatter.DocumentBasedFormattingModel;
+import com.intellij.psi.formatter.FormatterUtil;
 import com.intellij.psi.impl.source.PostprocessReformattingAspect;
 import com.intellij.psi.impl.source.SourceTreeToPsiMap;
 import com.intellij.psi.impl.source.tree.injected.InjectedLanguageUtil;
@@ -167,7 +168,7 @@ public class CodeFormatterFacade {
 
   public void processText(PsiFile file, final FormatTextRanges ranges, boolean doPostponedFormatting) {
     final Project project = file.getProject();
-    Document document = PsiDocumentManager.getInstance(project).getDocument(file);
+    Document document = FormatterUtil.getFileDocument(file);
     final List<FormatTextRange> textRanges = ranges.getRanges();
     if (document instanceof DocumentWindow) {
       file = InjectedLanguageManager.getInstance(file.getProject()).getTopLevelFile(file);