diff --git a/platform/lang-impl/src/com/intellij/util/indexing/containers/ChangeBufferingList.java b/platform/lang-impl/src/com/intellij/util/indexing/containers/ChangeBufferingList.java
index 57512fb4fd4d..7e9076282b8e 100644
--- a/platform/lang-impl/src/com/intellij/util/indexing/containers/ChangeBufferingList.java
+++ b/platform/lang-impl/src/com/intellij/util/indexing/containers/ChangeBufferingList.java
@@ -84,10 +84,10 @@ public class ChangeBufferingList implements Cloneable {
   }
 
   public void remove(int value) {
+    ensureCapacity(1);
     if (checkSet != null) checkSet.remove(value);
     RandomAccessIntContainer intContainer = randomAccessContainer;
     if (intContainer == null) {
-      ensureCapacity(1);
       addChange(-value);
     }
     else {