diff --git a/src/components/KillButton/index.tsx b/src/components/KillButton/index.tsx
index 10e9c78..26f822a 100644
--- a/src/components/KillButton/index.tsx
+++ b/src/components/KillButton/index.tsx
@@ -39,7 +39,7 @@ export default function KillButton({data}: KillButtonProps) {
     "--preserve-queue": true,
   }
   const loggedUser = sessionQuery.data?.session?.username;
-  const isUserAdmin = sessionQuery.data?.session?.isUserAdmin;
+  const isUserAdmin = sessionQuery.data?.session?.role === "admin";
   const owner = killPayload["--owner"].toLowerCase()
   const isOwner = (loggedUser?.toLowerCase() == owner) || (`scheduled_${loggedUser?.toLowerCase()}@teuthology` == owner)
   const isButtonDisabled = (!isOwner && !isUserAdmin)
diff --git a/src/lib/teuthologyAPI.d.ts b/src/lib/teuthologyAPI.d.ts
index 937049d..2c58dcb 100644
--- a/src/lib/teuthologyAPI.d.ts
+++ b/src/lib/teuthologyAPI.d.ts
@@ -3,7 +3,9 @@ export type Session = {
     session: {
         id: int,
         username: string,
-        isUserAdmin: boolean,
+        isUserAdmin?: boolean,
+        role: string,
+        state: string,
     }
 }