diff --git a/platform/lang-impl/src/com/intellij/util/indexing/FileBasedIndex.java b/platform/lang-impl/src/com/intellij/util/indexing/FileBasedIndex.java
index b587d056ad2d..ddd44b1fec11 100644
--- a/platform/lang-impl/src/com/intellij/util/indexing/FileBasedIndex.java
+++ b/platform/lang-impl/src/com/intellij/util/indexing/FileBasedIndex.java
@@ -932,7 +932,8 @@ public class FileBasedIndex implements ApplicationComponent {
 
   public static @Nullable Throwable getCauseToRebuildIndex(RuntimeException e) {
     Throwable cause = e.getCause();
-    if (cause instanceof StorageException || cause instanceof IOException || cause instanceof IllegalArgumentException) return cause;
+    if (cause instanceof StorageException || cause instanceof IOException ||
+        cause instanceof IllegalArgumentException || cause instanceof IllegalStateException) return cause;
     return null;
   }