diff --git a/image.php b/image.php
index bb46444..0a62a10 100644
--- a/image.php
+++ b/image.php
@@ -65,6 +65,12 @@ $imeslike = "$okvir_id" . "$slika";
 $etag = md5($imeslike);
 header("Etag: $etag"); 
 
+$seconds_to_cache = 86400;
+$ts = gmdate("D, d M Y H:i:s", time() + $seconds_to_cache) . " GMT";
+header("Expires: $ts");
+header("Pragma: cache");
+header("Cache-Control: max-age=$seconds_to_cache");
+
 // snimi i prikazi
 //$gotova_slika->save(__DIR__ . "/cache/tip" . $okvir_id . "slika" . $slika . ".jpg");
 $gotova_slika->show("jpg");