diff --git a/lib/templates.js b/lib/templates.js
index 93274d1..15b78ee 100644
--- a/lib/templates.js
+++ b/lib/templates.js
@@ -38,7 +38,7 @@ function create_templates() {
 						const start = template.indexOf('%sapper', i);
 
 						if (start === -1) {
-							res.end(template.slice(start));
+							res.end(template.slice(i));
 							return;
 						}