diff --git a/lookup-service/service/caches/portals.py b/lookup-service/service/caches/portals.py
index bea48951..577069b4 100644
--- a/lookup-service/service/caches/portals.py
+++ b/lookup-service/service/caches/portals.py
@@ -294,7 +294,7 @@ async def reacquire_workshop_session(
                         "environmentName": environment_name,
                         "sessionName": session_name,
                         "clientUserId": user_id,
-                        "sessionActionvationUrl": f"{self.portal.url}{url}",
+                        "sessionActivationUrl": f"{self.portal.url}{url}",
                     }
 
         except ClientConnectorError as exc:
@@ -355,7 +355,7 @@ async def request_workshop_session(
                         "environmentName": environment_name,
                         "sessionName": session_name,
                         "clientUserId": user_id,
-                        "sessionActionvationUrl": f"{self.portal.url}{url}",
+                        "sessionActivationUrl": f"{self.portal.url}{url}",
                     }
 
         except ClientConnectorError as exc: