diff -u -N -r source-old/dll/win32/advapi32/service/eventlog.c source/dll/win32/advapi32/service/eventlog.c
--- source-old/dll/win32/advapi32/service/eventlog.c	Sun Apr 18 13:01:51 2010
+++ source/dll/win32/advapi32/service/eventlog.c	Tue May  4 19:56:48 2010
@@ -945,6 +945,8 @@
     ANSI_STRING *Strings;
     ANSI_STRING ComputerName;
     WORD i;
+    CHAR szComputerName[MAX_COMPUTERNAME_LENGTH + 1];
+    DWORD dwSize;
 
     TRACE("%p, %u, %u, %lu, %p, %u, %lu, %p, %p\n",
           hEventLog, wType, wCategory, dwEventID, lpUserSid,
@@ -962,8 +964,9 @@
     for (i = 0; i < wNumStrings; i++)
         RtlInitAnsiString(&Strings[i], lpStrings[i]);
 
-    /*FIXME: ComputerName */
-    RtlInitAnsiString(&ComputerName, "");
+    dwSize = MAX_COMPUTERNAME_LENGTH + 1;
+    GetComputerNameA(szComputerName, &dwSize);
+    RtlInitAnsiString(&ComputerName, szComputerName);
 
     RpcTryExcept
     {