diff --git a/cmd/webhook.go b/cmd/webhook.go
index 3973b93..15cca64 100644
--- a/cmd/webhook.go
+++ b/cmd/webhook.go
@@ -297,6 +297,7 @@ func createPatch(pod *corev1.Pod, sidecarConfigTemplate *Config, clientset *kube
 			sidecarConfig.Containers[0].Env[0].Value = "fusermount3-proxy-" + filerBucketName + "-" + shortenedNs + "/fuse-csi-ephemeral.sock"
 			sidecarConfig.Containers[0].Env[1].Value = s3Access
 			sidecarConfig.Containers[0].Env[2].Value = s3Secret
+			sidecarConfig.Containers[0].Env[3].Value = s3Url[8:] // want everything after https://
 			sidecarConfig.Containers[0].Resources.Limits = resourceLimit
 			sidecarConfig.Containers[0].Resources.Requests = resourceRequest
 
diff --git a/deploy/configmap.yaml b/deploy/configmap.yaml
index b8b9be7..1c340fa 100644
--- a/deploy/configmap.yaml
+++ b/deploy/configmap.yaml
@@ -42,6 +42,10 @@ data:
                 {
                     "name": "AWS_SECRET_ACCESS_KEY",
                     "value": "INSERT-SECRET"
+                },
+                {
+                    "name": "BUCKET_HOST",
+                    "value": "INSERT-BUCKET-HOST"
                 }
             ]
         }