diff --git a/backend/internal/certificate.js b/backend/internal/certificate.js
index 707e5ec..bd3155d 100644
--- a/backend/internal/certificate.js
+++ b/backend/internal/certificate.js
@@ -608,13 +608,12 @@ const internalCertificate = {
 	checkPrivateKey: (private_key) => {
 		return tempWrite(private_key, '/tmp')
 			.then((filepath) => {
-                                let key_type = private_key.includes('-----BEGIN RSA') ? 'rsa' : 'ec';
-                                return utils.exec('openssl ' + key_type + ' -in ' + filepath + ' -check -noout 2>&1 ')
-                                        .then((result) => {
-                                                if (!result.toLowerCase().includes('key ok') && !result.toLowerCase().includes('key valid') ) {
-                                                        throw new error.ValidationError('Result Validation Error: ' + result);
-                                                }
-
+				let key_type = private_key.includes('-----BEGIN RSA') ? 'rsa' : 'ec';
+				return utils.exec('openssl ' + key_type + ' -in ' + filepath + ' -check -noout 2>&1 ')
+					.then((result) => {
+						if (!result.toLowerCase().includes('key ok') && !result.toLowerCase().includes('key valid') ) {
+							throw new error.ValidationError('Result Validation Error: ' + result);
+						}
 						fs.unlinkSync(filepath);
 						return true;
 					}).catch((err) => {