diff --git a/PluralKit.Bot/Services/WebhookExecutorService.cs b/PluralKit.Bot/Services/WebhookExecutorService.cs
index 90ea2c68..bc27dd6d 100644
--- a/PluralKit.Bot/Services/WebhookExecutorService.cs
+++ b/PluralKit.Bot/Services/WebhookExecutorService.cs
@@ -89,7 +89,7 @@ namespace PluralKit.Bot
             }
             catch (NotFoundException e)
             {
-                if (e.JsonMessage.Contains("10015") && !hasRetried)
+                if (e.JsonMessage != null && e.JsonMessage.Contains("10015") && !hasRetried)
                 {
                     // Error 10015 = "Unknown Webhook" - this likely means the webhook was deleted
                     // but is still in our cache. Invalidate, refresh, try again