diff --git a/src/main.rs b/src/main.rs
index 0cf41c2..fa0e5f5 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -396,6 +396,10 @@ async fn upload_file(
             let response = WrappedResponse::Tags(final_tag_set.into_iter().collect::<Vec<_>>());
             Ok((StatusCode::OK, Json(response)))
         } else {
+            if !file_type.starts_with("image/") {
+                log::warn!("warning: mimetype {} is not image/", file_type);
+            }
+
             let json_response =
                 send_image_to_dd(file_contents.to_vec(), file_name, &file_type, &options).await?;
             Ok((StatusCode::OK, Json(json_response)))