diff --git a/song_of_the_day/SpotifyIntegration/SpotifyApiClient.cs b/song_of_the_day/SpotifyIntegration/SpotifyApiClient.cs
index 8c06e06..83a5960 100644
--- a/song_of_the_day/SpotifyIntegration/SpotifyApiClient.cs
+++ b/song_of_the_day/SpotifyIntegration/SpotifyApiClient.cs
@@ -139,7 +139,10 @@ public class SpotifyApiClient
             user.SpotifyAuthAccessToken = oAuthResponse.AccessToken;
             user.SpotifyAuthExpiresAfterSeconds = oAuthResponse.ExpiresIn;
             user.SpotifyAuthCreatedAt = oAuthResponse.CreatedAt;
-            user.SpotifyAuthRefreshToken = oAuthResponse.RefreshToken;
+            if (!string.IsNullOrEmpty(oAuthResponse.RefreshToken))
+            {
+                user.SpotifyAuthRefreshToken = oAuthResponse.RefreshToken;
+            }
             return user.SpotifyAuthAccessToken;
         }
         catch (Exception ex)