diff --git a/zeppelin-zengine/src/main/java/org/apache/zeppelin/notebook/repo/AzureNotebookRepo.java b/zeppelin-zengine/src/main/java/org/apache/zeppelin/notebook/repo/AzureNotebookRepo.java
index 3b0108890..679f2513a 100644
--- a/zeppelin-zengine/src/main/java/org/apache/zeppelin/notebook/repo/AzureNotebookRepo.java
+++ b/zeppelin-zengine/src/main/java/org/apache/zeppelin/notebook/repo/AzureNotebookRepo.java
@@ -160,7 +160,7 @@ public class AzureNotebookRepo implements NotebookRepo {
   }
 
   // unfortunately, we need to use a recursive delete here
-  private void delete(ListFileItem item) throws StorageException {
+  private void delete(ListFileItem item) throws StorageException, URISyntaxException {
     if (item.getClass() == CloudFileDirectory.class) {
       CloudFileDirectory dir = (CloudFileDirectory) item;