diff --git a/lib/tun2/server.go b/lib/tun2/server.go
index 03180c3..3bf5020 100644
--- a/lib/tun2/server.go
+++ b/lib/tun2/server.go
@@ -156,7 +156,7 @@ func (s *Server) ListenAndServe() error {
 			for _, c := range s.conns {
 				failureChance := c.detector.Phi(now)
 
-				if failureChance != 0 {
+				if failureChance > 0.8 {
 					ln.Log(c.F(), ln.F{
 						"action": "phi_failure_detection",
 						"value":  failureChance,