diff --git a/src/main/java/com/microsoft/graph/http/BaseCollectionRequest.java b/src/main/java/com/microsoft/graph/http/BaseCollectionRequest.java
index c148ef198..694703cb2 100644
--- a/src/main/java/com/microsoft/graph/http/BaseCollectionRequest.java
+++ b/src/main/java/com/microsoft/graph/http/BaseCollectionRequest.java
@@ -441,8 +441,7 @@ public IHttpRequest withHttpMethod(@Nonnull final HttpMethod httpMethod) {
      */
     @Override
     @Nullable
-    public <requestBodyType, responseType, nativeRequestType> nativeRequestType getHttpRequest(@Nonnull final requestBodyType serializedObject) throws ClientException {
-        Objects.requireNonNull(serializedObject, "parameter serializedObject cannot be null");
+    public <requestBodyType, responseType, nativeRequestType> nativeRequestType getHttpRequest(@Nullable final requestBodyType serializedObject) throws ClientException {
         return baseRequest.getHttpRequest(serializedObject);
     }
 }