diff --git a/src/agents/pi-embedded-runner.google-sanitize-thinking.test.ts b/src/agents/pi-embedded-runner.google-sanitize-thinking.test.ts
index ed4b52940..07614b8a9 100644
--- a/src/agents/pi-embedded-runner.google-sanitize-thinking.test.ts
+++ b/src/agents/pi-embedded-runner.google-sanitize-thinking.test.ts
@@ -224,12 +224,14 @@ describe("sanitizeSessionHistory (google thinking)", () => {
       {
         type: "toolCall",
         id: "call_1",
+        input: {},
         name: "read",
         arguments: { path: "/tmp/foo" },
       },
       {
         type: "toolCall",
         id: "call_2",
+        input: {},
         name: "read",
         arguments: { path: "/tmp/bar" },
         thoughtSignature: "c2ln",