diff --git a/npc/ipblock.go b/npc/ipblock.go
index c40e46e2..517ffb20 100644
--- a/npc/ipblock.go
+++ b/npc/ipblock.go
@@ -9,7 +9,7 @@ import (
 	"k8s.io/apimachinery/pkg/types"
 
 	"github.com/weaveworks/weave/common"
-	"github.com/weaveworks/weave/npc/ipset"
+	"github.com/weaveworks/weave/net/ipset"
 )
 
 type ipBlockSpec struct {