Merge branch 'release' into dev

aspnet · Apr 5, 2017 · dc18cd6 · dc18cd6
2 parents 8cda361 + d28072c
commit dc18cd6
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/src/Microsoft.Owin.Security.Facebook/FacebookAuthenticationHandler.cs b/src/Microsoft.Owin.Security.Facebook/FacebookAuthenticationHandler.cs
@@ -102,7 +102,7 @@ protected override async Task<AuthenticationTicket> AuthenticateCoreAsync()
                 string graphAddress = WebUtilities.AddQueryString(Options.UserInformationEndpoint, "access_token", accessToken);
                 if (Options.SendAppSecretProof)
                 {
-                    graphAddress = WebUtilities.AddQueryString(graphAddress, "&appsecret_proof", GenerateAppSecretProof(accessToken));
+                    graphAddress = WebUtilities.AddQueryString(graphAddress, "appsecret_proof", GenerateAppSecretProof(accessToken));
                 }
                 if (Options.Fields.Count > 0)
                 {