diff --git a/lambda-events/src/event/ses/mod.rs b/lambda-events/src/event/ses/mod.rs
index a088f2fe..15f4bc89 100644
--- a/lambda-events/src/event/ses/mod.rs
+++ b/lambda-events/src/event/ses/mod.rs
@@ -136,6 +136,7 @@ pub struct SimpleEmailHeader {
 #[serde(rename_all = "camelCase")]
 pub struct SimpleEmailCommonHeaders {
     pub from: Vec<String>,
+    #[serde(default)]
     pub to: Vec<String>,
     #[serde(default)]
     pub return_path: Option<String>,