diff --git a/nixos-infect b/nixos-infect
index d0f981a..c2c9317 100755
--- a/nixos-infect
+++ b/nixos-infect
@@ -109,7 +109,7 @@ EOF
           $a"; done)
         ];
         ipv4.routes = [ { address = "${gateway}"; prefixLength = 32; } ];
-        ipv6.routes = [ { address = "${gateway6}"; prefixLength = 32; } ];
+        ipv6.routes = [ { address = "${gateway6}"; prefixLength = 128; } ];
       };
       $interfaces1
     };