diff --git a/winsup/w32api/ChangeLog b/winsup/w32api/ChangeLog
index 765c2ea47..0b6b70f47 100644
--- a/winsup/w32api/ChangeLog
+++ b/winsup/w32api/ChangeLog
@@ -1,3 +1,7 @@
+2008-01-29  Brandon Sneed  <nivenh@sourceware.org>
+
+	* include/ras.h (RAS_MaxDnsSuffix): define.
+
 2008-01-29  Brandon Sneed  <nivenh@sourceware.org>
 
 	* include/psapi.h (GetProcessImageFileNameA, GetProcessImageFileNameW): 
diff --git a/winsup/w32api/include/ras.h b/winsup/w32api/include/ras.h
index db7c3c3db..e5e688d41 100644
--- a/winsup/w32api/include/ras.h
+++ b/winsup/w32api/include/ras.h
@@ -35,6 +35,7 @@ typedef unsigned long ULONG_PTR, *PULONG_PTR;
 #define RAS_MaxFacilities     200
 #define RAS_MaxUserData       200
 #define RAS_MaxReplyMessage   1024
+#define RAX_MaxDnsSuffix      256
 #define RDEOPT_UsePrefixSuffix           0x00000001
 #define RDEOPT_PausedStates              0x00000002
 #define RDEOPT_IgnoreModemSpeaker        0x00000004