diff --git a/src/lib/Server.js b/src/lib/Server.js
index 7e331ed..40341ee 100644
--- a/src/lib/Server.js
+++ b/src/lib/Server.js
@@ -37,6 +37,32 @@ const {
 
 const requiresPassword = !!PASSWORD || !!PASSWORD_HASH;
 
+/**
+ * Checks if `password` matches the PASSWORD_HASH.
+ *
+ * For backward compatibility it also allows `password` to match the clear text PASSWORD,
+ * but only if no PASSWORD_HASH is provided.
+ *
+ * If both enviornment variables are not set, the password is always invalid.
+ *
+ * @param {string} password String to test
+ * @returns {boolean} true if matching environment, otherwise false
+ */
+const isPasswordValid = (password) => {
+  if (typeof password !== 'string') {
+    return false;
+  }
+
+  if (PASSWORD_HASH) {
+    return bcrypt.compareSync(password, PASSWORD_HASH);
+  }
+  if (PASSWORD) {
+    return password === PASSWORD;
+  }
+
+  return false;
+};
+
 module.exports = class Server {
 
   constructor() {
@@ -101,7 +127,7 @@ module.exports = class Server {
             status: 401,
             message: 'Incorrect Password',
           });
-        };
+        }
 
         event.node.req.session.authenticated = true;
         event.node.req.session.save();
@@ -239,32 +265,6 @@ module.exports = class Server {
       });
     };
 
-    /**
-     * Checks if `password` matches the PASSWORD_HASH.
-     * 
-     * For backward compatibility it also allows `password` to match the clear text PASSWORD,
-     * but only if no PASSWORD_HASH is provided.
-     * 
-     * If both enviornment variables are not set, the password is always invalid.
-     * 
-     * @param {string} password String to test
-     * @returns {boolean} true if matching environment, otherwise false
-     */
-    const isPasswordValid = (password) => {
-      if (typeof password !== 'string') {
-        return false;
-      }
-
-      if (!!PASSWORD_HASH) {
-        return bcrypt.compareSync(password, PASSWORD_HASH);
-      }
-      if (!!PASSWORD) {
-        return password == PASSWORD;
-      }
-
-      return false;
-    }
-
     // Static assets
     const publicDir = '/app/www';
     app.use(