diff --git a/Misc/ACKS b/Misc/ACKS
index ce64e20cbaa..43d746d797f 100644
--- a/Misc/ACKS
+++ b/Misc/ACKS
@@ -304,6 +304,7 @@ Martijn Faassen
 Clovis Fabricio
 Andreas Faerber
 Bill Fancher
+Michael Farrell
 Troy J. Farrell
 Mark Favas
 Boris Feld
diff --git a/Modules/socketmodule.c b/Modules/socketmodule.c
index 132d6c7780d..37ae6d85690 100644
--- a/Modules/socketmodule.c
+++ b/Modules/socketmodule.c
@@ -6192,6 +6192,9 @@ PyInit__socket(void)
 #ifdef  IP_MAX_MEMBERSHIPS
     PyModule_AddIntConstant(m, "IP_MAX_MEMBERSHIPS", IP_MAX_MEMBERSHIPS);
 #endif
+#ifdef  IP_TRANSPARENT
+    PyModule_AddIntConstant(m, "IP_TRANSPARENT", IP_TRANSPARENT);
+#endif
 
     /* IPv6 [gs]etsockopt options, defined in RFC2553 */
 #ifdef  IPV6_JOIN_GROUP