diff --git a/packages/search-site/src/index.ejs b/packages/search-site/src/index.ejs
index 7fec8bc..5a602c2 100644
--- a/packages/search-site/src/index.ejs
+++ b/packages/search-site/src/index.ejs
@@ -163,7 +163,7 @@
       </div>
 
       <div class="cards">
-        <strain-card v-for="strain in strains" :strain="strain" />
+        <strain-card v-for="strain in strains" :key="strain.id" :strain="strain" />
       </div>
     </div>
   </section>