diff --git a/ext/handle_pixel/main.php b/ext/handle_pixel/main.php
index 33fc02fa..a1964f3b 100644
--- a/ext/handle_pixel/main.php
+++ b/ext/handle_pixel/main.php
@@ -44,10 +44,7 @@ class PixelFileHandler extends Extension {
 
 	private function supported_ext($ext) {
 		$exts = array("jpg", "jpeg", "gif", "png");
-		foreach($exts as $supported) {
-			if($ext == $supported) return true;
-		}
-		return false;
+		return array_contains($exts, strtolower($ext));
 	}
 	
 	private function create_image_from_data($filename, $metadata) {