diff --git a/templates/varnish.vcl.j2 b/templates/varnish.vcl.j2
index 85bb5f3..b793609 100644
--- a/templates/varnish.vcl.j2
+++ b/templates/varnish.vcl.j2
@@ -51,6 +51,7 @@ sub vcl_backend_response {
 		return (deliver);
 	}
 	if (beresp.http.ETag || beresp.http.Last-Modified || bereq.http.If-Modified-Since) {
+		set beresp.grace = 1h;
 		set beresp.keep = 12h;
 	}
 	if (beresp.status == 301) {