diff --git a/backend/src/controllers/upload_controller.rs b/backend/src/controllers/upload_controller.rs
index 61ed386..57002a1 100644
--- a/backend/src/controllers/upload_controller.rs
+++ b/backend/src/controllers/upload_controller.rs
@@ -69,7 +69,7 @@ pub async fn upload_handler(
         report_book,
         wrap,
         creator_ip: ip.clone(),
-        expires,
+        expires_at: expires,
     };
 
     if let Err(e) = aws_service.put_file(&file_id, (&body).as_ref()).await {
diff --git a/backend/src/delete_service.rs b/backend/src/delete_service.rs
index 848038f..55ffef2 100644
--- a/backend/src/delete_service.rs
+++ b/backend/src/delete_service.rs
@@ -51,7 +51,7 @@ impl DeleteHandler {
             while let Some(paste) = pastes_cursor.next().await {
                 let paste = paste.expect("Failed to get paste");
 
-                if paste.expires > 0 && paste.expires < now as u64 {
+                if paste.expires_at > 0 && paste.expires_at < now as u64 {
                     deletable_pastes.push(paste.clone());
                 }
 
diff --git a/backend/src/models/paste.rs b/backend/src/models/paste.rs
index 2786c4d..930c642 100644
--- a/backend/src/models/paste.rs
+++ b/backend/src/models/paste.rs
@@ -9,7 +9,8 @@ pub struct Paste {
     pub report_book: bool,
     pub wrap: bool,
     pub creator_ip: String,
-    pub expires: u64,
+    #[serde(rename = "expiresAt")]
+    pub expires_at: u64,
 }
 
 #[derive(Debug, Serialize, Deserialize, Clone)]
@@ -20,7 +21,8 @@ pub struct PasteDTO {
     pub created: u64,
     pub report_book: bool,
     pub wrap: bool,
-    pub expires: u64,
+    #[serde(rename = "expiresAt")]
+    pub expires_at: u64,
 }
 
 impl Paste {
@@ -32,7 +34,7 @@ impl Paste {
             created: self.created,
             report_book: self.report_book,
             wrap: self.wrap,
-            expires: self.expires,
+            expires_at: self.expires_at,
         }
     }
 }