diff --git a/packages/paperclip-runner/src/live/terminal-call-freshness.test.ts b/packages/paperclip-runner/src/live/terminal-call-freshness.test.ts
index 53b3066b94d..cb2b4ce26de 100644
--- a/packages/paperclip-runner/src/live/terminal-call-freshness.test.ts
+++ b/packages/paperclip-runner/src/live/terminal-call-freshness.test.ts
@@ -41,6 +41,17 @@ describe("unseenReturnedToolCalls", () => {
   });
 });
 
+it("forgets calls of a provider turn lost on restore once a new turn starts (restart chaos K2 t110)", () => {
+  const commands = [{ type: "semantic_tool.result", payload: { callId: "lost", operationId: "read_agent_instructions" } }];
+  const finish = started("f", "paperclip_finish");
+  const events = [
+    event("turn.started", {}), started("lost", "read_agent_instructions"),
+    event("turn.failed", { error: { code: "provider_turn_lost_on_restore" } }),
+    event("turn.started", {}), started("r", "read_document"), result("r"), completed("r", "read_document"), finish,
+  ];
+  expect(unseenReturnedToolCalls(events, commands, { terminalSourceEventId: finish.sourceEventId, turnId: "turn-1" })).toEqual([]);
+});
+
 it("counts the controller's semantic_tool.result command as the returned result", () => {
   const block = started("b", "paperclip_block");
   const commands = [{ type: "semantic_tool.result", payload: { callId: "w", operationId: "write_document" } }];
diff --git a/packages/paperclip-runner/src/live/terminal-call-freshness.ts b/packages/paperclip-runner/src/live/terminal-call-freshness.ts
index b64827dc6ca..ef19cc97724 100644
--- a/packages/paperclip-runner/src/live/terminal-call-freshness.ts
+++ b/packages/paperclip-runner/src/live/terminal-call-freshness.ts
@@ -46,6 +46,10 @@ export function unseenReturnedToolCalls(
     if (input.turnId && typeof event.turnId === "string" && event.turnId !== input.turnId) continue;
     const payload = record(event.payload);
     const type = event.eventType;
+    if (type === "turn.started") {
+      calls.clear();
+      continue;
+    }
     if ((type === "tool.execution.started" || type === "tool.execution.completed") && payload.transport === "dynamic") {
       const id = typeof payload.executionId === "string" ? payload.executionId : null;
       if (!id) continue;