diff --git a/service/vote.go b/service/vote.go
index 1696ee6..1748288 100644
--- a/service/vote.go
+++ b/service/vote.go
@@ -11,7 +11,10 @@ type NodeVotesImpl struct {
 }
 
 func NewNodeVotes() interfaces.NodeVotes {
-	return &NodeVotesImpl{}
+	return &NodeVotesImpl{
+		good: 0,
+		bad:  0,
+	}
 }
 
 func (n *NodeVotesImpl) Good() int {