diff --git a/src/scheduler/cron.js b/src/scheduler/cron.js
index 150ecb31..0356cad9 100644
--- a/src/scheduler/cron.js
+++ b/src/scheduler/cron.js
@@ -104,12 +104,11 @@ export const Cron = {
 	 */
 	async _readCrontab() {
 		try {
-			return (
-				(await _execOverride("crontab -l 2>&1", {
-					encoding: "utf-8",
-					stdio: ["pipe", "pipe", "pipe"],
-				})) || ""
-			).trim();
+			const { stdout } = await _execOverride("crontab -l 2>&1", {
+				encoding: "utf-8",
+				stdio: ["pipe", "pipe", "pipe"],
+			});
+			return (stdout || "").trim();
 		} catch (_err) {
 			return "";
 		}
diff --git a/tests/unit/scheduler/cron.test.js b/tests/unit/scheduler/cron.test.js
index 0f380360..1d0e6910 100644
--- a/tests/unit/scheduler/cron.test.js
+++ b/tests/unit/scheduler/cron.test.js
@@ -12,18 +12,18 @@ function mockExec(command, options) {
 
 	// Intercept crontab commands
 	if (command.includes("crontab -l")) {
-		return Promise.resolve(mockCrontabContent || "");
+		return Promise.resolve({ stdout: mockCrontabContent || "", stderr: "" });
 	}
 
 	if (command.includes("crontab -")) {
 		// Read from stdin (the content to install)
 		const stdin = options?.input || "";
 		mockCrontabContent = stdin;
-		return Promise.resolve("");
+		return Promise.resolve({ stdout: "", stderr: "" });
 	}
 
 	if (command.includes("which crontab")) {
-		return Promise.resolve("/usr/bin/crontab");
+		return Promise.resolve({ stdout: "/usr/bin/crontab", stderr: "" });
 	}
 
 	// Reject unknown commands to prevent hanging