diff --git a/platform/platform-impl/src/com/intellij/openapi/fileEditor/impl/FileDocumentManagerImpl.java b/platform/platform-impl/src/com/intellij/openapi/fileEditor/impl/FileDocumentManagerImpl.java
index cb2a681d75a8..e5129c912c6b 100644
--- a/platform/platform-impl/src/com/intellij/openapi/fileEditor/impl/FileDocumentManagerImpl.java
+++ b/platform/platform-impl/src/com/intellij/openapi/fileEditor/impl/FileDocumentManagerImpl.java
@@ -703,6 +703,7 @@ public class FileDocumentManagerImpl extends FileDocumentManager implements Safe
 
     final VirtualFile file = getFile(document);
     assert file != null;
+    if (!file.isValid()) return;
 
     if (!fireBeforeFileContentReload(file, document)) {
       return;