diff --git a/mod/photo.php b/mod/photo.php
index fcc75a513f..71c345fc57 100644
--- a/mod/photo.php
+++ b/mod/photo.php
@@ -129,7 +129,7 @@ function photo_init(&$a) {
 	}
 
 	header("Content-type: image/jpeg");
- 	header("Expires: " . gmdate("D, d M Y H:i:s", time() + (3600*24)) . " GMT";
+ 	header("Expires: " . gmdate("D, d M Y H:i:s", time() + (3600*24)) . " GMT");
 	header("Cache-Control: max-age=" . (3600*24));
 	echo $data;
 	killme();