diff --git a/wiki/pages/engineering.html b/wiki/pages/engineering.html
index f08c0021b43aacf38614df5a3a035d6f5e2737c9..e2eb36a39bced7ef4aad0cd83d611045d7c2be32 100644
--- a/wiki/pages/engineering.html
+++ b/wiki/pages/engineering.html
@@ -691,10 +691,10 @@ The mass spectrometry was detected using positive ion mode. The detected mass-to
     <img src="https://static.igem.wiki/teams/4678/wiki/yu19.png" alt="" class="description" style="width: 30%;height: 99%;">
   </div>
    <div class="img_wrap">
-    <img src="https://static.igem.wiki/teams/4678/wiki/1111.png" alt="" class="description" style="width: 30%;height: 99%;">
+    <img src="https://static.igem.wiki/teams/4678/wiki/1111.jpg" alt="" class="description" style="width: 30%;height: 99%;">
   </div>
    <div class="img_wrap">
-    <img src="https://static.igem.wiki/teams/4678/wiki/1112.png" alt="" class="description" style="width: 30%;height: 99%;">
+    <img src="https://static.igem.wiki/teams/4678/wiki/1112.jpg" alt="" class="description" style="width: 30%;height: 99%;">
   </div>
 
   <div class="side_nav_scroll">