diff --git a/src/knowledge.rs b/src/knowledge.rs
index f37ed1e..49ff307 100644
--- a/src/knowledge.rs
+++ b/src/knowledge.rs
@@ -98,6 +98,7 @@ pub struct FactDetail {
 
 #[derive(Serialize)]
 pub struct PhotoLinkDetail {
+    pub library_id: i32,
     pub file_path: String,
     pub role: String,
 }
@@ -105,6 +106,7 @@ pub struct PhotoLinkDetail {
 impl From<EntityPhotoLink> for PhotoLinkDetail {
     fn from(l: EntityPhotoLink) -> Self {
         PhotoLinkDetail {
+            library_id: l.library_id,
             file_path: l.file_path,
             role: l.role,
         }