diff --git a/src/env/node.js b/src/env/node.js
index 9791f49..234616f 100644
--- a/src/env/node.js
+++ b/src/env/node.js
@@ -391,7 +391,7 @@ export default {
 
 				console[root.stats.fail > 0 ? "error" : "log"](tree);
 
-				process.exit(root.stats.fail > 0 ? 1 : 0);
+				process.exitCode = root.stats.fail > 0 ? 1 : 0;
 			}
 			return;
 		}
diff --git a/tests/run.js b/tests/run.js
index 1d1c532..39fca28 100644
--- a/tests/run.js
+++ b/tests/run.js
@@ -20,10 +20,36 @@ export default {
 				},
 				{
 					name: "run() returning a promise",
-					run: () => new Promise(resolve => setInterval(() => resolve("foo"), 100)),
+					run: () => new Promise(resolve => setTimeout(() => resolve("foo"), 100)),
 				},
 			],
 		},
+		{
+			name: "afterAll runs in --ci mode (issue #168)",
+			skip: typeof globalThis.process === "undefined",
+			async run () {
+				let { spawnSync } = await import("node:child_process");
+				let { writeFileSync, rmSync } = await import("node:fs");
+				let { tmpdir } = await import("node:os");
+				let { join } = await import("node:path");
+
+				let fixture = join(tmpdir(), "htest-168.js");
+				writeFileSync(
+					fixture,
+					`export default { async afterAll () { await new Promise(r => setTimeout(r, 50)); process.stderr.write("[test] afterAll ran"); }, tests: [{ run: () => 1, expect: 1 }] };`,
+				);
+
+				let { stderr } = spawnSync(
+					process.execPath,
+					[join(process.cwd(), "bin/htest.js"), fixture, "--ci"],
+					{ encoding: "utf8" },
+				);
+				rmSync(fixture);
+
+				return stderr.includes("[test] afterAll ran");
+			},
+			expect: true,
+		},
 		{
 			name: "Aborting",
 			tests: [