diff --git a/t/scenarios/cluster_e2e/thruk/thruk_cluster.conf b/t/scenarios/cluster_e2e/thruk/thruk_cluster.conf
index 4689f09af0..bb81991b1a 100644
--- a/t/scenarios/cluster_e2e/thruk/thruk_cluster.conf
+++ b/t/scenarios/cluster_e2e/thruk/thruk_cluster.conf
@@ -17,3 +17,4 @@
 </Component>
 
 cluster_enabled = 1
+cluster_heartbeat_interval = 60
diff --git a/t/scenarios/cluster_fixed_e2e/thruk/thruk_cluster.conf b/t/scenarios/cluster_fixed_e2e/thruk/thruk_cluster.conf
index f9b5b149db..7372ec94d1 100644
--- a/t/scenarios/cluster_fixed_e2e/thruk/thruk_cluster.conf
+++ b/t/scenarios/cluster_fixed_e2e/thruk/thruk_cluster.conf
@@ -20,3 +20,4 @@ cluster_enabled = 1
 cluster_nodes   = http://thruk1.test.local/$url_prefix$/
 cluster_nodes   = http://thruk2.test.local/$url_prefix$/
 cluster_nodes   = http://thruk3.test.local/$url_prefix$/
+cluster_heartbeat_interval = 60