diff --git a/bson.cabal b/bson.cabal
index 4892bf0..52490f3 100644
--- a/bson.cabal
+++ b/bson.cabal
@@ -25,7 +25,8 @@ Extra-Source-Files: CHANGELOG.md
 
 Flag _old-network
   description: Control whether to use <http://hackage.haskell.org/package/network-bsd network-bsd>
-  manual: False
+  manual: True
+  default: False
 
 Library
   Build-depends:      base >= 4.9.0.0 && < 5