diff --git a/akka-docs/src/main/paradox/common/cluster.md b/akka-docs/src/main/paradox/common/cluster.md
index a884f5f3d8..9512ea9ec6 100644
--- a/akka-docs/src/main/paradox/common/cluster.md
+++ b/akka-docs/src/main/paradox/common/cluster.md
@@ -86,7 +86,7 @@ nodes have been downed.
 
 The failure detector is responsible for trying to detect if a node is
 `unreachable` from the rest of the cluster. For this we are using an
-implementation of [The Phi Accrual Failure Detector](http://www.jaist.ac.jp/~defago/files/pdf/IS_RR_2004_010.pdf) by Hayashibara et al.
+implementation of [The Phi Accrual Failure Detector](http://fubica.lsd.ufcg.edu.br/hp/cursos/cfsc/papers/hayashibara04theaccrual.pdf) by Hayashibara et al.
 
 An accrual failure detector decouples monitoring and interpretation. That makes
 them applicable to a wider area of scenarios and more adequate to build generic