diff --git a/score_params.go b/score_params.go
index 26f94ddb2e8a8c18aa17510fbf38ac28192837ba..8a4d2098f9676587e4454ee3eace19ae20c1bc24 100644
--- a/score_params.go
+++ b/score_params.go
@@ -229,7 +229,7 @@ func (p *TopicScoreParams) validate() error {
 	}
 
 	// check P3
-	if p.MeshMessageDeliveriesWeight > 0 || isInvalidNumber(p.MeshFailurePenaltyWeight) {
+	if p.MeshMessageDeliveriesWeight > 0 || isInvalidNumber(p.MeshMessageDeliveriesWeight) {
 		return fmt.Errorf("invalid MeshMessageDeliveriesWeight; must be negative (or 0 to disable) and a valid number")
 	}
 	if p.MeshMessageDeliveriesWeight != 0 && (p.MeshMessageDeliveriesDecay <= 0 || p.MeshMessageDeliveriesDecay >= 1 || isInvalidNumber(p.MeshMessageDeliveriesDecay)) {