diff --git a/.changeset/large-rings-invite.md b/.changeset/large-rings-invite.md
new file mode 100644
index 000000000000..edf16f8d058e
--- /dev/null
+++ b/.changeset/large-rings-invite.md
@@ -0,0 +1,5 @@
+---
+'@astrojs/sitemap': patch
+---
+
+Prevent sitemap URLs with trimmed paths