diff --git a/winsup/w32api/ChangeLog b/winsup/w32api/ChangeLog
index 11fbf5dc5..3876fc8c9 100644
--- a/winsup/w32api/ChangeLog
+++ b/winsup/w32api/ChangeLog
@@ -1,4 +1,8 @@
-2010-09-22  Ryan Lortie  <desrt@desrt.ca>
+2010-12-27  Seth Jackson  <sethj@users.sourceforge.net>
+
+	* include/winbase.h (GetComputerNameEx): Define.
+
+2010-12-27  Ryan Lortie  <desrt@desrt.ca>
 
 	* include/winbase.h (TzSpecificLocalTimeToSystemTime): Define.
 
diff --git a/winsup/w32api/include/winbase.h b/winsup/w32api/include/winbase.h
index c8a5b3122..a3ce7784e 100644
--- a/winsup/w32api/include/winbase.h
+++ b/winsup/w32api/include/winbase.h
@@ -2293,6 +2293,9 @@ typedef PCACTCTXW PCACTCTX;
 #define GetCommandLine GetCommandLineW
 #define GetCompressedFileSize GetCompressedFileSizeW
 #define GetComputerName GetComputerNameW
+#if (_WIN32_WINNT >= 0x0500)
+#define GetComputerNameEx GetComputerNameExW
+#endif
 #define GetCurrentDirectory GetCurrentDirectoryW
 #define GetDefaultCommConfig GetDefaultCommConfigW
 #define GetDiskFreeSpace GetDiskFreeSpaceW
@@ -2497,6 +2500,9 @@ typedef PCACTCTXA PCACTCTX;
 #define GetBinaryType GetBinaryTypeA
 #define GetCommandLine GetCommandLineA
 #define GetComputerName GetComputerNameA
+#if (_WIN32_WINNT >= 0x0500)
+#define GetComputerNameEx GetComputerNameExA
+#endif
 #define GetCompressedFileSize GetCompressedFileSizeA
 #define GetCurrentDirectory GetCurrentDirectoryA
 #define GetDefaultCommConfig GetDefaultCommConfigA