diff --git a/src/OpenIddict.Server.Owin/OpenIddictServerOwinHandlers.cs b/src/OpenIddict.Server.Owin/OpenIddictServerOwinHandlers.cs
index 0e9ebb3a..0379455d 100644
--- a/src/OpenIddict.Server.Owin/OpenIddictServerOwinHandlers.cs
+++ b/src/OpenIddict.Server.Owin/OpenIddictServerOwinHandlers.cs
@@ -199,6 +199,8 @@ namespace OpenIddict.Server.Owin
                     return default;
                 }
 
+                context.Issuer = issuer;
+
                 return default;
             }
         }