diff --git a/requests.go b/requests.go
index 14734b70..6455e2f8 100644
--- a/requests.go
+++ b/requests.go
@@ -11,17 +11,17 @@ import (
 type AuthType string
 
 const (
-	AuthTypePassword  = "m.login.password"
-	AuthTypeReCAPTCHA = "m.login.recaptcha"
-	AuthTypeOAuth2    = "m.login.oauth2"
-	AuthTypeSSO       = "m.login.sso"
-	AuthTypeEmail     = "m.login.email.identity"
-	AuthTypeMSISDN    = "m.login.msisdn"
-	AuthTypeToken     = "m.login.token"
-	AuthTypeDummy     = "m.login.dummy"
+	AuthTypePassword  AuthType = "m.login.password"
+	AuthTypeReCAPTCHA AuthType = "m.login.recaptcha"
+	AuthTypeOAuth2    AuthType = "m.login.oauth2"
+	AuthTypeSSO       AuthType = "m.login.sso"
+	AuthTypeEmail     AuthType = "m.login.email.identity"
+	AuthTypeMSISDN    AuthType = "m.login.msisdn"
+	AuthTypeToken     AuthType = "m.login.token"
+	AuthTypeDummy     AuthType = "m.login.dummy"
 
-	AuthTypeAppservice      = "m.login.application_service"
-	AuthTypeHalfyAppservice = "uk.half-shot.msc2778.login.application_service"
+	AuthTypeAppservice      AuthType = "m.login.application_service"
+	AuthTypeHalfyAppservice AuthType = "uk.half-shot.msc2778.login.application_service"
 )
 
 type IdentifierType string