diff --git a/linkedin_matrix/web/provisioning_api.py b/linkedin_matrix/web/provisioning_api.py
index 57ab399..7f2a643 100644
--- a/linkedin_matrix/web/provisioning_api.py
+++ b/linkedin_matrix/web/provisioning_api.py
@@ -98,7 +98,7 @@ async def login(self, request: web.Request) -> web.Response:
             return web.HTTPBadRequest(body='{"error": "Malformed JSON"}', headers=self._headers)
 
         if "cookie_header" in data:
-            for cookie in data.pop("cookie_header").split(" ;"):
+            for cookie in data.pop("cookie_header").split("; "):
                 key, val = cookie.split("=", 1)
                 data[key] = val