diff --git a/Network/Fancy.hsc b/Network/Fancy.hsc
--- a/Network/Fancy.hsc
+++ b/Network/Fancy.hsc
@@ -55,6 +55,10 @@
 #define AI_NUMERICSERV 0
 #endif
 
+#ifdef FREEBSD
+#include <netinet6/in6.h>
+#endif /* FREEBSD */
+
 #else /* WINDOWS */
 
 #include <winsock2.h>
diff --git a/network-fancy.cabal b/network-fancy.cabal
--- a/network-fancy.cabal
+++ b/network-fancy.cabal
@@ -1,5 +1,5 @@
 Name:                network-fancy
-Version:             0.1.5
+Version:             0.1.5.1
 Synopsis:            Networking support with a cleaner API
 Description:         Networking support with a cleaner API
 License:             BSD3
@@ -20,7 +20,7 @@
     Exposed-modules:     Network.Fancy
     C-Sources:           cbits.c
     GHC-Options:         -Wall
-    Extensions:          TypeSynonymInstances, ForeignFunctionInterface, CPP, DeriveDataTypeable
+    Extensions:          TypeSynonymInstances, ForeignFunctionInterface, CPP, DeriveDataTypeable, FlexibleInstances
     if os(windows) {
       CPP-Options:       -DWINDOWS=WINDOWS -DCALLCONV=stdcall -DSAFE_ON_WIN=safe
       CC-Options:        -DWINDOWS=WINDOWS -DCALLCONV=stdcall -DSAFE_ON_WIN=safe