diff --git a/src/library.cr b/src/library.cr
index c527801..c5b8ca3 100644
--- a/src/library.cr
+++ b/src/library.cr
@@ -2,7 +2,7 @@ require "zip"
 require "mime"
 require "json"
 
-class Image
+struct Image
 	property data : Bytes
 	property mime : String
 	property filename : String