diff --git a/.changeset/funny-bags-occur.md b/.changeset/funny-bags-occur.md
new file mode 100644
index 0000000000..81f89bcd0f
--- /dev/null
+++ b/.changeset/funny-bags-occur.md
@@ -0,0 +1,5 @@
+---
+'svelte': patch
+---
+
+fix: generate type definition with nullable types