diff --git a/icu4c/source/i18n/wintzimpl.cpp b/icu4c/source/i18n/wintzimpl.cpp
index 5f170b956c4..d0915489afe 100644
--- a/icu4c/source/i18n/wintzimpl.cpp
+++ b/icu4c/source/i18n/wintzimpl.cpp
@@ -1,6 +1,6 @@
 /*
 ********************************************************************************
-*   Copyright (C) 2008, International Business Machines
+*   Copyright (C) 2009, International Business Machines
 *   Corporation and others.  All Rights Reserved.
 ********************************************************************************
 *
@@ -30,6 +30,8 @@
 
 #include <windows.h>
 
+U_NAMESPACE_USE
+
 static UBool getSystemTimeInformation(TimeZone *tz, SYSTEMTIME &daylightDate, SYSTEMTIME &standardDate, int32_t &bias, int32_t &daylightBias, int32_t &standardBias) {
     UErrorCode status = U_ZERO_ERROR;
     UBool result = TRUE;