diff --git a/webapp/shop/api/trueability/api.py b/webapp/shop/api/trueability/api.py
index e16c14c5844..2c10474be54 100644
--- a/webapp/shop/api/trueability/api.py
+++ b/webapp/shop/api/trueability/api.py
@@ -24,7 +24,7 @@ def make_request(
         allow_redirects: bool = True,
     ):
         uri = f"{self.base_url}{path}"
-        headers["X-API_KEY"] = f"{self.api_key}"
+        headers["X-API-KEY"] = f"{self.api_key}"
 
         response = self.session.request(
             method,
@@ -232,7 +232,7 @@ def get_filtered_webhook_responses(
             f"?ability_screen_id={ability_screen_id}"
             f"&page={page}"
         )
-        headers = {"X-API_KEY": self.api_key}
+        headers = {"X-API-KEY": self.api_key}
         response = self.session.request(
             method="GET", url=uri, headers=headers
         ).json()