diff --git a/charts/redisoperator/Chart.yaml b/charts/redisoperator/Chart.yaml
index a22af3c82..57d1003ef 100644
--- a/charts/redisoperator/Chart.yaml
+++ b/charts/redisoperator/Chart.yaml
@@ -4,7 +4,7 @@ appVersion: 1.2.4
 apiVersion: v1
 description: A Helm chart for the Spotahome Redis Operator
 name: redis-operator
-version: 3.2.7
+version: 3.2.8
 home: https://github.com/spotahome/redis-operator
 keywords:
   - "golang"
diff --git a/operator/redisfailover/service/generator.go b/operator/redisfailover/service/generator.go
index 8f78cbce4..e423850a6 100644
--- a/operator/redisfailover/service/generator.go
+++ b/operator/redisfailover/service/generator.go
@@ -567,7 +567,7 @@ func generateSentinelDeployment(rf *redisfailoverv1.RedisFailover, labels map[st
 					Command: []string{
 						"sh",
 						"-c",
-						"redis-cli -h $(hostname) -p 26379 ping",
+						"redis-cli -h $(hostname) -p 26379 sentinel get-master-addr-by-name mymaster | head -n 1 | grep -vq '127.0.0.1'",
 					},
 				},
 			},
diff --git a/operator/redisfailover/service/generator_test.go b/operator/redisfailover/service/generator_test.go
index 45bd85254..7cfa1546a 100644
--- a/operator/redisfailover/service/generator_test.go
+++ b/operator/redisfailover/service/generator_test.go
@@ -2158,7 +2158,7 @@ func TestSentinelCustomReadinessProbe(t *testing.T) {
 						Command: []string{
 							"sh",
 							"-c",
-							"redis-cli -h $(hostname) -p 26379 ping",
+							"redis-cli -h $(hostname) -p 26379 sentinel get-master-addr-by-name mymaster | head -n 1 | grep -vq '127.0.0.1'",
 						},
 					},
 				},