diff --git a/packages/coding-agent/src/debug/report-bundle.ts b/packages/coding-agent/src/debug/report-bundle.ts
index c99e046d5..4329c0954 100644
--- a/packages/coding-agent/src/debug/report-bundle.ts
+++ b/packages/coding-agent/src/debug/report-bundle.ts
@@ -277,7 +277,7 @@ async function collectSameDayLogs(linesPerFile: number): Promise<string> {
 	return chunks.join("\n\n");
 }
 
-const LOG_FILE_PATTERN = new RegExp(`^${APP_NAME}\\.(\\d{4}-\\d{2}-\\d{2})\\.\\d+\\.log$`);
+const LOG_FILE_PATTERN = new RegExp(`^${APP_NAME}\\.(\\d{4}-\\d{2}-\\d{2})\\.\\d+\\.log(?:\\.\\d+)?$`);
 
 export async function createDebugLogSource(): Promise<DebugLogSource> {
 	const logsDir = getLogsDir();
diff --git a/packages/coding-agent/test/debug/report-bundle-logs.test.ts b/packages/coding-agent/test/debug/report-bundle-logs.test.ts
index 2f2ba3dea..532a3a7b3 100644
--- a/packages/coding-agent/test/debug/report-bundle-logs.test.ts
+++ b/packages/coding-agent/test/debug/report-bundle-logs.test.ts
@@ -40,9 +40,12 @@ describe("report bundle logs", () => {
 		await fs.mkdir(logsDir, { recursive: true });
 		const today = new Date().toISOString().slice(0, 10);
 		const crashedName = `omp.${today}.4242.log`;
+		const rotatedName = `${crashedName}.1`;
 		const currentName = `omp.${today}.${process.pid}.log`;
 		await Bun.write(path.join(logsDir, crashedName), '{"pid":4242,"message":"fatal in crashed pid"}\n');
 		await fs.utimes(path.join(logsDir, crashedName), 1, 1);
+		await Bun.write(path.join(logsDir, rotatedName), '{"pid":4242,"message":"earlier rotated crash output"}\n');
+		await fs.utimes(path.join(logsDir, rotatedName), 0, 0);
 		await Bun.write(path.join(logsDir, currentName), '{"pid":0,"message":"later invocation"}\n');
 		await fs.utimes(path.join(logsDir, currentName), 2, 2);
 
@@ -54,6 +57,8 @@ describe("report bundle logs", () => {
 		const logsText = (await files.get("logs.txt")?.text()) ?? "";
 		expect(logsText).toContain(crashedName);
 		expect(logsText).toContain("fatal in crashed pid");
+		expect(logsText).toContain(rotatedName);
+		expect(logsText).toContain("earlier rotated crash output");
 		expect(logsText).toContain(currentName);
 		expect(logsText).toContain("later invocation");
 		expect(logsText.indexOf(crashedName)).toBeLessThan(logsText.indexOf(currentName));