diff --git a/tests/robustness/failpoint/gofail.go b/tests/robustness/failpoint/gofail.go
index 2e93d6093..7c12945ef 100644
--- a/tests/robustness/failpoint/gofail.go
+++ b/tests/robustness/failpoint/gofail.go
@@ -185,6 +185,9 @@ func (f killAndGofailSleep) Name() string {
 }
 
 func (f killAndGofailSleep) Available(config e2e.EtcdProcessClusterConfig, member e2e.EtcdProcess) bool {
+	if config.ClusterSize == 1 {
+		return false
+	}
 	memberFailpoints := member.Failpoints()
 	if memberFailpoints == nil {
 		return false
@@ -220,6 +223,9 @@ func (f gofailSleepAndDeactivate) Name() string {
 }
 
 func (f gofailSleepAndDeactivate) Available(config e2e.EtcdProcessClusterConfig, member e2e.EtcdProcess) bool {
+	if config.ClusterSize == 1 {
+		return false
+	}
 	memberFailpoints := member.Failpoints()
 	if memberFailpoints == nil {
 		return false