diff --git a/js/components/preview/molecule/redux/dispatchActions.js b/js/components/preview/molecule/redux/dispatchActions.js
index 5e14e94b0..833bcc60f 100644
--- a/js/components/preview/molecule/redux/dispatchActions.js
+++ b/js/components/preview/molecule/redux/dispatchActions.js
@@ -1221,7 +1221,7 @@ const observationSearchFunctions = {
     return obs.code.toLowerCase().includes(searchTerm.toLowerCase());
   },
   aliases: (obs, searchTerm) => {
-    return true;
+    return obs.identifiers?.some(idf => idf.name.toLowerCase().includes(searchTerm.toLowerCase()));
   },
   compoundId: (obs, searchTerm) => {
     return obs.compound_code.toLowerCase().includes(searchTerm.toLowerCase());