diff --git a/mozilla/mailnews/imap/src/nsImapServerResponseParser.cpp b/mozilla/mailnews/imap/src/nsImapServerResponseParser.cpp
index 7da395b8d7f..7c8437f8e69 100644
--- a/mozilla/mailnews/imap/src/nsImapServerResponseParser.cpp
+++ b/mozilla/mailnews/imap/src/nsImapServerResponseParser.cpp
@@ -2848,7 +2848,8 @@ void nsImapServerResponseParser::quota_data()
     do
     {
       AdvanceToNextToken();
-      quotaroot.Adopt(CreateAstring());
+      if (!fAtEndOfLine)
+        quotaroot.Adopt(CreateAstring());
     }
     while (ContinueParse() && !fAtEndOfLine);
   }