diff --git a/src/lib/elements.ts b/src/lib/elements.ts
index 43db9831..5b5a5ca1 100644
--- a/src/lib/elements.ts
+++ b/src/lib/elements.ts
@@ -62,4 +62,6 @@ export const formattableAttributes: string[] = [
     // None at the moment
     // Prettier HTML does not format attributes at all
     // and to be consistent we leave this array empty for now
+    
+    "class"
 ];