diff --git a/pkg/operator/ceph/cluster/osd/pod.go b/pkg/operator/ceph/cluster/osd/pod.go
index b5ecfd0ce..7a3afb28e 100644
--- a/pkg/operator/ceph/cluster/osd/pod.go
+++ b/pkg/operator/ceph/cluster/osd/pod.go
@@ -116,6 +116,7 @@ func (c *Cluster) makeDeployment(nodeName string, devices []rookalpha.Device, se
 		nodeNameEnvVar(),
 		k8sutil.PodIPEnvVar(k8sutil.PrivateIPEnvVar),
 		k8sutil.PodIPEnvVar(k8sutil.PublicIPEnvVar),
+		{Name: "TINI_SUBREAPER", Value: ""},
 	}
 
 	commonArgs := []string{