diff --git a/src/handlers/proxy.rs b/src/handlers/proxy.rs
index d1819de..2ec9b0a 100644
--- a/src/handlers/proxy.rs
+++ b/src/handlers/proxy.rs
@@ -138,8 +138,7 @@ async fn thumbdata_save(
 ) {
     let state = state.clone();
     if content_type.starts_with("image") {
-        let filename = original_filename.to_string();
-        let ext = filename.split('.').last().unwrap().to_string();
+        let (filename, _, ext) = parse_image_request(&original_filename).unwrap();
         let img = image::load_from_memory(&original_data).unwrap();
         actix::spawn(async move {
             if let Ok(thumbnails_bytes) = generate_thumbnails(&img).await {