diff --git a/README.md b/README.md
index 2eebd78c..83333cad 100644
--- a/README.md
+++ b/README.md
@@ -39,7 +39,7 @@ oauth2Config := oauth2.Config{
     Endpoint: provider.Endpoint(),
 
     // "openid" is a required scope for OpenID Connect flows.
-    Scopes: []string{oidc.ScopeOpenID, "profile", "email"},
+    Scopes: []string{oidc.ScopeOpenID, oidc.ScopeProfile, oidc.ScopeEmail},
 }
 ```
 
diff --git a/example/idtoken/app.go b/example/idtoken/app.go
index 80b0709e..298466b3 100644
--- a/example/idtoken/app.go
+++ b/example/idtoken/app.go
@@ -59,7 +59,7 @@ func main() {
 		ClientSecret: clientSecret,
 		Endpoint:     provider.Endpoint(),
 		RedirectURL:  "http://127.0.0.1:5556/auth/google/callback",
-		Scopes:       []string{oidc.ScopeOpenID, "profile", "email"},
+		Scopes:       []string{oidc.ScopeOpenID, oidc.ScopeProfile, oidc.ScopeEmail},
 	}
 
 	http.HandleFunc("/", func(w http.ResponseWriter, r *http.Request) {
diff --git a/example/userinfo/app.go b/example/userinfo/app.go
index c530cffb..38ed3731 100644
--- a/example/userinfo/app.go
+++ b/example/userinfo/app.go
@@ -54,7 +54,7 @@ func main() {
 		ClientSecret: clientSecret,
 		Endpoint:     provider.Endpoint(),
 		RedirectURL:  "http://127.0.0.1:5556/auth/google/callback",
-		Scopes:       []string{oidc.ScopeOpenID, "profile", "email"},
+		Scopes:       []string{oidc.ScopeOpenID, oidc.ScopeProfile, oidc.ScopeEmail},
 	}
 
 	http.HandleFunc("/", func(w http.ResponseWriter, r *http.Request) {