1 files changed, 4 insertions, 2 deletions
diff --git a/image.php b/image.php
index d240dbc68..89d05d660 100644
--- a/image.php
+++ b/image.php
@@ -4,12 +4,14 @@
 
 	require_once "config.php";
 
-	$filename = CACHE_DIR . '/images/' . sha1($_GET['url']) . '.png';
+	$url = base64_decode($_GET['url']);
+
+	$filename = CACHE_DIR . '/images/' . sha1($url) . '.png';
 
 	if (file_exists($filename)) {
 		header("Content-type: image/png");
 		echo file_get_contents($filename);
 	} else {
-		header("Location: " . $_GET['url']);
+		header("Location: $url");
 	}
 ?>