diff --git a/src/tera/ergo.rs b/src/tera/ergo.rs
index e0fb3b1..8b00446 100644
--- a/src/tera/ergo.rs
+++ b/src/tera/ergo.rs
@@ -1,5 +1,6 @@
 use std::env;
 
+use chrono::Utc;
 use rocket::{
     form::Form,
     fs::TempFile,
@@ -148,7 +149,11 @@ async fn new_thirty(
         return Flash::error(Redirect::to("/ergo"), "Es werden nur JPG Bilder akzeptiert");
     };
     let base_dir = env::current_dir().unwrap();
-    let file_path = base_dir.join(format!("data-ergo/thirty/{}.{extension}", user.name));
+    let file_path = base_dir.join(format!(
+        "data-ergo/thirty/{}_{}.{extension}",
+        user.name,
+        Utc::now()
+    ));
     if let Err(e) = data.proof.move_copy_to(file_path).await {
         eprintln!("Failed to persist file: {:?}", e);
     }
@@ -185,7 +190,11 @@ async fn new_dozen(
         return Flash::error(Redirect::to("/ergo"), "Es werden nur JPG Bilder akzeptiert");
     };
     let base_dir = env::current_dir().unwrap();
-    let file_path = base_dir.join(format!("data-ergo/dozen/{}.{extension}", user.name));
+    let file_path = base_dir.join(format!(
+        "data-ergo/dozen/{}_{}.{extension}",
+        user.name,
+        Utc::now()
+    ));
     if let Err(e) = data.proof.move_copy_to(file_path).await {
         eprintln!("Failed to persist file: {:?}", e);
     }