diff --git a/src/files.rs b/src/files.rs
index 9704118..121f8d9 100644
--- a/src/files.rs
+++ b/src/files.rs
@@ -111,10 +111,19 @@ pub async fn list_photos<TagD: TagDao, FS: FileSystemAccess>(
                         .filter_map(|t| t.parse().ok())
                         .collect::<Vec<i32>>();
 
+                    let excluded_tag_ids = &req
+                        .exclude_tag_ids
+                        .clone()
+                        .unwrap_or(String::new())
+                        .split(',')
+                        .filter_map(|t| t.parse().ok())
+                        .collect::<Vec<i32>>();
+
                     let filter_mode = &req.tag_filter_mode.unwrap_or(FilterMode::Any);
                     let file_tags = tag_dao.get_tags_for_path(file_path).unwrap_or_default();
+                    let excluded = file_tags.iter().any(|t| excluded_tag_ids.contains(&t.id));
 
-                    return match filter_mode {
+                    return !excluded && match filter_mode {
                         FilterMode::Any => file_tags.iter().any(|t| tag_ids.contains(&t.id)),
                         FilterMode::All => tag_ids
                             .iter()