diff --git a/.changeset/perfect-pants-serve.md b/.changeset/perfect-pants-serve.md
new file mode 100644
index 00000000..851f79df
--- /dev/null
+++ b/.changeset/perfect-pants-serve.md
@@ -0,0 +1,5 @@
+---
+'@reactflow/core': patch
+---
+
+Invalidate a Node trying to connect itself with the same handle