diff --git a/src/assets/controller/cannon-roundel.js b/src/assets/controller/cannon-roundel.js
index e216bc1..f59936c 100644
--- a/src/assets/controller/cannon-roundel.js
+++ b/src/assets/controller/cannon-roundel.js
@@ -3,4 +3,4 @@ import p1 from './cannon-roundel-1.js';
 import p2 from './cannon-roundel-2.js';
 import p3 from './cannon-roundel-3.js';
 
-export default `data:image/jpeg;base64,${p0}${p1}${p2}${p3}`;
+export default `${p0}${p1}${p2}${p3}`;