diff --git a/packages/coding-agent/CHANGELOG.md b/packages/coding-agent/CHANGELOG.md
index 702ba1d2e..99befc6ee 100644
--- a/packages/coding-agent/CHANGELOG.md
+++ b/packages/coding-agent/CHANGELOG.md
@@ -2,6 +2,10 @@
 
 ## [Unreleased]
 
+### Fixed
+
+- Fixed `bash` tool `timeout: 0` so it disables the command deadline instead of falling back to the minimum timeout.
+
 ## [16.3.8] - 2026-07-05
 
 ### Fixed
diff --git a/packages/coding-agent/test/bash-executor.test.ts b/packages/coding-agent/test/bash-executor.test.ts
index 2e32fd4ae..b11a15f96 100644
--- a/packages/coding-agent/test/bash-executor.test.ts
+++ b/packages/coding-agent/test/bash-executor.test.ts
@@ -406,7 +406,7 @@ exit 64
 		if (process.platform === "win32") {
 			return;
 		}
-		const result = await executeBash("sleep 0.1; echo done", { cwd: tempDir, timeout: 0 });
+		const result = await executeBash("sleep 1.2; echo done", { cwd: tempDir, timeout: 0 });
 		expect(result.cancelled).toBe(false);
 		expect(result.output.trim()).toBe("done");
 	});