diff --git a/.changeset/sanitize-location-header.md b/.changeset/sanitize-location-header.md
new file mode 100644
index 000000000..08d685721
--- /dev/null
+++ b/.changeset/sanitize-location-header.md
@@ -0,0 +1,5 @@
+---
+"@solidjs/start": patch
+---
+
+Sanitize Location header value in streaming redirect script
diff --git a/packages/start/src/server/handler.ts b/packages/start/src/server/handler.ts
index 3b0609db9..fb703ccc2 100644
--- a/packages/start/src/server/handler.ts
+++ b/packages/start/src/server/handler.ts
@@ -213,7 +213,7 @@ function handleStreamCompleteRedirect(context: PageEvent) {
   return ({ write }: { write: (html: string) => void }) => {
     context.complete = true;
     const to = context.response && context.response.headers.get("Location");
-    to && write(`<script>window.location="${to}"</script>`);
+    to && write(`<script>window.location=${JSON.stringify(to).replace(/</g, "\\u003c")}</script>`);
   };
 }