diff --git a/packages/core/src/types.ts b/packages/core/src/types.ts
index 501b81e6f..ce3f2eb76 100644
--- a/packages/core/src/types.ts
+++ b/packages/core/src/types.ts
@@ -220,6 +220,7 @@ export function isTerminalSession(session: {
     return (
       session.lifecycle.session.state === "done" ||
       session.lifecycle.session.state === "terminated" ||
+      session.lifecycle.pr.state === "merged" ||
       session.lifecycle.runtime.state === "missing" ||
       session.lifecycle.runtime.state === "exited"
     );