diff --git a/backend/windmill-worker/src/python_executor.rs b/backend/windmill-worker/src/python_executor.rs
index b8e1be3d38..3e97d9a007 100644
--- a/backend/windmill-worker/src/python_executor.rs
+++ b/backend/windmill-worker/src/python_executor.rs
@@ -472,7 +472,13 @@ async fn prepare_wrapper(
 
     let relative_imports = RELATIVE_IMPORT_REGEX.is_match(&inner_content);
 
-    let script_path_splitted = script_path.split("/");
+    let script_path_splitted = script_path.split("/").map(|x| {
+        if x.starts_with(|x: char| x.is_ascii_digit()) {
+            format!("_{}", x)
+        } else {
+            x.to_string()
+        }
+    });
     let dirs_full = script_path_splitted
         .clone()
         .take(script_path_splitted.clone().count() - 1)
@@ -497,12 +503,6 @@ async fn prepare_wrapper(
     let module_dir = format!("{}/{}", job_dir, dirs);
     tokio::fs::create_dir_all(format!("{module_dir}/")).await?;
 
-    let last = if last.starts_with(|x: char| x.is_ascii_digit()) {
-        format!("_{}", last)
-    } else {
-        last
-    };
-
     let _ = write_file(&module_dir, &format!("{last}.py"), inner_content).await?;
     if relative_imports {
         let _ = write_file(job_dir, "loader.py", RELATIVE_PYTHON_LOADER).await?;