diff --git a/Riot/Modules/MatrixKit/Controllers/MXKAuthenticationViewController.m b/Riot/Modules/MatrixKit/Controllers/MXKAuthenticationViewController.m
index 34789e133..f51004ede 100644
--- a/Riot/Modules/MatrixKit/Controllers/MXKAuthenticationViewController.m
+++ b/Riot/Modules/MatrixKit/Controllers/MXKAuthenticationViewController.m
@@ -984,7 +984,10 @@
                     {
                         // Trigger here a register request in order to associate the filled userId and password to the current session id
                         // This will check the availability of the userId at the same time
-                        NSDictionary *parameters = @{@"auth": @{},
+                        NSDictionary *parameters = @{@"auth": @{
+                                                        @"session": self.authInputsView.authSession.session,
+                                                        @"type": kMXLoginFlowTypeDummy
+                                                     },
                                                      @"username": self.authInputsView.userId,
                                                      @"password": self.authInputsView.password,
                                                      @"bind_email": @(NO),
diff --git a/changelog.d/3736.bugfix b/changelog.d/3736.bugfix
new file mode 100644
index 000000000..a573977ac
--- /dev/null
+++ b/changelog.d/3736.bugfix
@@ -0,0 +1 @@
+Fix registration to be compliant with the Matrix specification. This allows registering for accounts on Conduit servers. Contributed by @aaronraimist.
\ No newline at end of file