diff --git a/cve_bin_tool/nvd_api.py b/cve_bin_tool/nvd_api.py
index ca7e038bb4..6a293f3e8b 100644
--- a/cve_bin_tool/nvd_api.py
+++ b/cve_bin_tool/nvd_api.py
@@ -72,15 +72,15 @@ def __init__(
             if self.api_version == "1.0":
                 # API key is passed as URL parameter
                 self.params["apiKey"] = self.api_key
-                self.header = None
+                self.header = HTTP_HEADERS
             else:
                 # API key is passed as part of header
-                self.header = {}
+                self.header = HTTP_HEADERS
                 self.header["apiKey"] = self.api_key
         else:
             # Because of rate limiting
             self.max_hosts = 1
-            self.header = {}
+            self.header = HTTP_HEADERS
 
     @staticmethod
     def convert_date_to_nvd_date(date: datetime) -> str:
@@ -155,7 +155,6 @@ async def get_nvd_params(
             self.session = RateLimiter(
                 aiohttp.ClientSession(
                     connector=connector,
-                    headers=HTTP_HEADERS,
                     trust_env=True,
                     timeout=connection_timeout,
                     headers=self.header,