diff --git a/juniper/src/integrations/chrono.rs b/juniper/src/integrations/chrono.rs
index 53825fdd..1ac62371 100644
--- a/juniper/src/integrations/chrono.rs
+++ b/juniper/src/integrations/chrono.rs
@@ -20,7 +20,7 @@ use ::Value;
 #[doc(hidden)]
 pub static RFC3339_FORMAT: &'static str = "%Y-%m-%dT%H:%M:%S%z";
 
-graphql_scalar!(DateTime<FixedOffset> {
+graphql_scalar!(DateTime<FixedOffset> as "DateTimeFixedOffset" {
     description: "DateTime"
 
     resolve(&self) -> Value {
@@ -33,7 +33,7 @@ graphql_scalar!(DateTime<FixedOffset> {
     }
 });
 
-graphql_scalar!(DateTime<Utc> {
+graphql_scalar!(DateTime<Utc> as "DateTimeUtc" {
     description: "DateTime"
 
     resolve(&self) -> Value {