diff --git a/mozilla/mailnews/base/src/nsMessengerWinIntegration.cpp b/mozilla/mailnews/base/src/nsMessengerWinIntegration.cpp
index ee1c6bfbb6d..7c5e3e2830b 100644
--- a/mozilla/mailnews/base/src/nsMessengerWinIntegration.cpp
+++ b/mozilla/mailnews/base/src/nsMessengerWinIntegration.cpp
@@ -79,7 +79,7 @@
 #define MAIL_COMMANDLINE_ARG " -mail"
 #define TIMER_INTERVAL_PREF "mail.windows_xp_integration.unread_count_interval"
 
-#define IDI_MAILBIFF 115
+#define IDI_MAILBIFF 101
 
 #define NEW_MAIL_ALERT_ICON "chrome://messenger/skin/icons/new-mail-alert.png"
 #define SHOW_ALERT_PREF "mail.biff.show_alert"