diff --git a/src/ui.dev.ts b/src/ui.dev.ts
index a983f91..d9d3fb7 100644
--- a/src/ui.dev.ts
+++ b/src/ui.dev.ts
@@ -103,11 +103,11 @@ export const uiFactory = (
                 if (currentVariation.name === variation.name) {
                     return list.appendChild(
                         renderSelectedVaraition(splitTest, variation),
-                    ).className = 'ab-test-variants';
+                    )
                 } else {
                     return list.appendChild(
                         renderUnselectedVariation(splitTest, variation),
-                    ).className = 'ab-test-variants';
+                    )
                 }
             });