diff --git a/platform/vcs-impl/src/com/intellij/openapi/vcs/actions/CommonCheckinFilesAction.java b/platform/vcs-impl/src/com/intellij/openapi/vcs/actions/CommonCheckinFilesAction.java
index bc5df9b15a89..da4b1d39c4a5 100644
--- a/platform/vcs-impl/src/com/intellij/openapi/vcs/actions/CommonCheckinFilesAction.java
+++ b/platform/vcs-impl/src/com/intellij/openapi/vcs/actions/CommonCheckinFilesAction.java
@@ -85,7 +85,7 @@ public class CommonCheckinFilesAction extends AbstractCommonCheckinAction {
 
   private static Collection<LocalChangeList> getChangeListsForRoot(final ChangeListManager changeListManager, final FilePath dirPath) {
     Collection<Change> changes = changeListManager.getChangesIn(dirPath);
-    return ContainerUtil.map(changes, new Function<Change, LocalChangeList>() {
+    return ContainerUtil.map2Set(changes, new Function<Change, LocalChangeList>() {
       @Override
       public LocalChangeList fun(Change change) {
         return changeListManager.getChangeList(change);