diff --git a/.gitignore b/.gitignore
index 42b07a7..2a1e84c 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,2 +1,3 @@
 nimcache/
-/tests/tester
\ No newline at end of file
+/tests/tester
+*.exe
diff --git a/karax/karax.nim b/karax/karax.nim
index 9aea015..fed61aa 100644
--- a/karax/karax.nim
+++ b/karax/karax.nim
@@ -260,6 +260,7 @@ proc updateStyles(newNode, oldNode: VNode) =
   if oldNode.dom != nil:
     if newNode.style != nil: applyStyle(oldNode.dom, newNode.style)
     else: oldNode.dom.style = Style()
+    oldNode.dom.class = newNode.class
   oldNode.style = newNode.style
   oldNode.class = newNode.class