diff --git a/etcd-manager/cmd/etcd-manager/main.go b/etcd-manager/cmd/etcd-manager/main.go
index 9c789c321..dd5396bdf 100644
--- a/etcd-manager/cmd/etcd-manager/main.go
+++ b/etcd-manager/cmd/etcd-manager/main.go
@@ -207,16 +207,16 @@ func RunEtcdManager(o *EtcdManagerOptions) error {
 		return fmt.Errorf("backup-store is required")
 	}
 
-	var err error
 	var networkCIDR *net.IPNet
 	if o.NetworkCIDR != "" {
 		if o.VolumeProviderID != "openstack" {
 			return fmt.Errorf("network-cidr is only supported with provider 'openstack'")
 		}
 
+		var err error
 		_, networkCIDR, err = net.ParseCIDR(o.NetworkCIDR)
 		if err != nil {
-			return fmt.Errorf("network-cidr %s", err)
+			return fmt.Errorf("parsing network-cidr: %w", err)
 		}
 	}