diff --git a/src/main/java/cc/fascinated/bat/service/SpotifyService.java b/src/main/java/cc/fascinated/bat/service/SpotifyService.java
index 1d81239..0d0bfbd 100644
--- a/src/main/java/cc/fascinated/bat/service/SpotifyService.java
+++ b/src/main/java/cc/fascinated/bat/service/SpotifyService.java
@@ -146,10 +146,13 @@ public class SpotifyService {
      */
     @SneakyThrows
     public String authorize(String code) {
+        if (code == null) {
+            return "Missing code param";
+        }
         AuthorizationCodeCredentials credentials = spotifyApi.authorizationCode(code).build().execute();
         String key = StringUtils.randomString(16);
         accessToken.put(key, credentials);
-        return "Authorization key: " + key;
+        return "Authorization Key: " + key;
     }
 
     /**