diff --git a/src/main/java/io/kestra/storage/s3/S3Storage.java b/src/main/java/io/kestra/storage/s3/S3Storage.java
index 249d06d..f099326 100644
--- a/src/main/java/io/kestra/storage/s3/S3Storage.java
+++ b/src/main/java/io/kestra/storage/s3/S3Storage.java
@@ -191,6 +191,9 @@ public List<URI> deleteByPrefix(String tenantId, URI storagePrefix) throws IOExc
     }
 
     private String getPath(String tenantId, URI uri) {
+        if (tenantId == null) {
+            return uri.getPath();
+        }
         return "/" + tenantId + uri.getPath();
     }
     private static URI createUri(String key) {
diff --git a/src/test/java/io/kestra/storage/s3/S3StorageTest.java b/src/test/java/io/kestra/storage/s3/S3StorageTest.java
index 0bf558d..068712b 100644
--- a/src/test/java/io/kestra/storage/s3/S3StorageTest.java
+++ b/src/test/java/io/kestra/storage/s3/S3StorageTest.java
@@ -84,6 +84,18 @@ void get() throws Exception {
         String prefix = IdUtils.create();
         String tenantId = IdUtils.create();
 
+        get(tenantId, prefix);
+    }
+
+    @Test
+    void getNoTenant() throws Exception {
+        String prefix = IdUtils.create();
+        String tenantId = null;
+
+        get(tenantId, prefix);
+    }
+
+    private void get(String tenantId, String prefix) throws Exception {
         URL resource = S3StorageTest.class.getClassLoader().getResource("application.yml");
         String content = CharStreams.toString(new InputStreamReader(new FileInputStream(Objects.requireNonNull(resource).getFile())));
 
@@ -147,6 +159,18 @@ void deleteByPrefix() throws Exception {
         String prefix = IdUtils.create();
         String tenantId = IdUtils.create();
 
+        deleteByPrefix(prefix, tenantId);
+    }
+
+    @Test
+    void deleteByPrefixNoTenant() throws Exception {
+        String prefix = IdUtils.create();
+        String tenantId = null;
+
+        deleteByPrefix(prefix, tenantId);
+    }
+
+    private void deleteByPrefix(String prefix, String tenantId) throws Exception {
         URL resource = S3StorageTest.class.getClassLoader().getResource("application.yml");
 
         List<String> path = Arrays.asList(