diff --git a/plugins/inventory/nb_inventory.py b/plugins/inventory/nb_inventory.py
index 67e8c4c8f..9c5d03ae3 100644
--- a/plugins/inventory/nb_inventory.py
+++ b/plugins/inventory/nb_inventory.py
@@ -1866,6 +1866,7 @@ def parse(self, inventory, loader, path, cache=True):
             "User-Agent": "ansible %s Python %s"
             % (ansible_version, python_version.split(" ", maxsplit=1)[0]),
             "Content-type": "application/json",
+            "Accept": "application/json",
         }
         self.cert = self.get_option("cert")
         self.key = self.get_option("key")