diff --git a/index.js b/index.js
index 34adcc2..0238704 100644
--- a/index.js
+++ b/index.js
@@ -244,8 +244,8 @@ async function runAll() {
 	for (const vpn of vpns) {
 		const currentDate = new Date();
 		const formattedDate = `${currentDate.getDate()}-${currentDate.getMonth() + 1}-${currentDate.getFullYear()}`;
-		const logEntries = JSON.parse(fs.readFileSync('batch_logs.json', 'utf8')) || [];
-		const entry = logEntries.find(entries => entries.accountName === vpn);
+		const logEntries = JSON.parse(fs.readFileSync('batch_logs.json', 'utf8'));
+		const entry = logEntries.find(entries => entries.accountName === vpn) || false;
 		if (entry && entry.date === formattedDate) {
 			logManager(`[${host}] ${vpn} already ran today!`, 'info');
 			continue;
@@ -281,13 +281,23 @@ async function runBatch(vpn) {
 	logManager(`[${host}] Starting mcr-bot on host: ${host}`, 'info');
 
 	if (!fs.existsSync('batch_logs.json')) {
-		fs.writeFile('batch_logs.json', JSON.stringify([], null, 2), err => {
+		fs.writeFile('batch_logs.json', '[]', err => {
 			if (err) {
 				logManager(`Failed to create batch_logs.json: ${err}`, 'error');
 				process.exit(1);
 			}
 		});
 	}
+	else {
+		const fileContent = await fs.readFile('batch_logs.json', 'utf-8');
+		try {
+			JSON.parse(fileContent);
+		}
+		catch (error) {
+			logManager(`[${host}] Existing log file is not in proper JSON format: ${error}`, 'error');
+			process.exit(1);
+		}
+	}
 	logManager(`[${host}] Log file: batch_logs.json`, 'info');
 
 	for (let i = 0; i < args.length; i++) {