From ea8fccd55521143f1e674e293b19d22f6090d576 Mon Sep 17 00:00:00 2001
From: Jonas Dellinger <jonas@dellinger.dev>
Date: Fri, 3 Jul 2020 23:06:54 +0200
Subject: [PATCH] .net standard 2.0 support, followup #475

---
 SpotifyAPI.Web/RetryHandlers/SimpleRetryHandler.cs | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/SpotifyAPI.Web/RetryHandlers/SimpleRetryHandler.cs b/SpotifyAPI.Web/RetryHandlers/SimpleRetryHandler.cs
index 275c7d8f..63ff0ef4 100644
--- a/SpotifyAPI.Web/RetryHandlers/SimpleRetryHandler.cs
+++ b/SpotifyAPI.Web/RetryHandlers/SimpleRetryHandler.cs
@@ -58,8 +58,8 @@ namespace SpotifyAPI.Web
         return null;
       }
       if (
-        int.TryParse(response.Headers.GetValueOrDefault("Retry-After"), out int secondsToWait)
-        || int.TryParse(response.Headers.GetValueOrDefault("retry-after"), out secondsToWait))
+        (response.Headers.ContainsKey("Retry-After") && int.TryParse(response.Headers["Retry-After"], out int secondsToWait))
+        || (response.Headers.ContainsKey("retry-after") && int.TryParse(response.Headers["retry-after"], out secondsToWait)))
       {
         return TimeSpan.FromSeconds(secondsToWait);
       }