diff --git a/Controllers/LoginController.cs b/Controllers/LoginController.cs
index 4d4bfc1..8a5f8b8 100644
--- a/Controllers/LoginController.cs
+++ b/Controllers/LoginController.cs
@@ -8,6 +8,13 @@ namespace BinaryDad.Notes.Controllers
 {
     public class LoginController : Controller
     {
+        private readonly IConfiguration configuration;
+
+        public LoginController(IConfiguration configuration)
+        {
+            this.configuration = configuration;
+        }
+
         [Route("login")]
         public IActionResult Login()
         {
@@ -21,7 +28,7 @@ namespace BinaryDad.Notes.Controllers
         {
             if (ModelState.IsValid)
             {
-                var appPassphrase = Environment.GetEnvironmentVariable("APP_PASSPHRASE");
+                var appPassphrase = configuration["APP_PASSPHRASE"];
 
                 if (passphrase == appPassphrase)
                 {