diff --git a/mozilla/mailnews/base/src/nsMsgFolderCompactor.cpp b/mozilla/mailnews/base/src/nsMsgFolderCompactor.cpp
index b9740956ea4..00f07814836 100644
--- a/mozilla/mailnews/base/src/nsMsgFolderCompactor.cpp
+++ b/mozilla/mailnews/base/src/nsMsgFolderCompactor.cpp
@@ -329,7 +329,7 @@ nsresult nsFolderCompactState::StartCompacting()
     m_folder->NotifyCompactCompleted();
     m_folder->ThrowAlertMsg("compactFolderDeniedLock", m_window);
     if (m_compactAll)
-      CompactNextFolder();
+      return CompactNextFolder();
     else
     {
       CleanupTempFilesAfterError();