diff --git a/src/responses.rs b/src/responses.rs
index 083b558..a7d8238 100644
--- a/src/responses.rs
+++ b/src/responses.rs
@@ -627,8 +627,9 @@ pub struct EmailUsageResponse {
   #[serde_as(as="DisplayFromStr")]
   /// The number of domains being used by the account.
   domains: i32,
-  /// Usage of email in GB, this should be an i32.
-  storage: String,
+  #[serde_as(as="DisplayFromStr")]
+  /// Usage of email in bytes.
+  storage: i32,
   /// Usage of email in GB with GB appended to the end of the string,
   storage_nice: String,
   #[serde_as(as="DisplayFromStr")]