diff --git a/src/routes/support.js b/src/routes/support.js
index 756a1dcc1..b8dd4cf40 100644
--- a/src/routes/support.js
+++ b/src/routes/support.js
@@ -59,9 +59,10 @@ async function canEnableRemoteSupport(req, res, next) {
 
     if (!supportConfig.remoteSupport) return next(new HttpError(405, 'feature disabled by admin'));
 
-    const sshdConfig = safe.fs.readFileSync('/etc/ssh/sshd_config', 'utf8');
-    if (!sshdConfig) return next(new HttpError(412, 'Failed to read sshd config'));
-    if (!sshdConfig.split('\n').find(function (line) { return line.search(/^PermitRootLogin.*yes/) !== -1; })) return next(new HttpError(417, 'Set "PermitRootLogin yes" in /etc/ssh/sshd_config'));
+    const SSHD_CONFIG_FILE = '/etc/ssh/sshd_config';
+    const sshdConfig = safe.fs.readFileSync(SSHD_CONFIG_FILE, 'utf8');
+    if (!sshdConfig) return next(new HttpError(412, `Failed to read file ${SSHD_CONFIG_FILE}`));
+    if (!sshdConfig.split('\n').find(function (line) { return line.search(/^PermitRootLogin.*yes/) !== -1; })) return next(new HttpError(417, `Set "PermitRootLogin yes" in ${SSHD_CONFIG_FILE}`));
 
     next();
 }