1 files changed, 1 insertions, 1 deletions
diff --git a/src/vdom.ffi.mjs b/src/vdom.ffi.mjs
index e77db89..2515eb4 100644
--- a/src/vdom.ffi.mjs
+++ b/src/vdom.ffi.mjs
@@ -268,7 +268,7 @@ function createElementNode({ prev, next, dispatch, stack }) {
     // that all attributes should be set as properties too.
     else {
       el.setAttribute(name, value);
-      el[name] = value;
+      if (name in el) el[name] = value;
       // If we're morphing an element we remove this attribute's name from the set
       // of attributes that were on the previous render so we don't remove it in
       // the next step.