diff --git a/index.php b/index.php
index 62fbdbf..9468aac 100644
--- a/index.php
+++ b/index.php
@@ -114,6 +114,12 @@
 		}
 
 		// Validate and move the uploaded image file, if necessary
+		if($img['error'] != UPLOAD_ERR_OK && $img['error'] != UPLOAD_ERR_NO_FILE) {
+			if(!empty($img['tmp_name']))
+				@unlink($img['tmp_name']);
+			return 'Invalid image, error ' . $img['error'];
+		}
+
 		if(!empty($img['tmp_name'])) {
 			if((($img['type'] == 'image/gif') || ($img['type'] == 'image/jpeg') || ($img['type'] == 'image/pjpeg')
 			|| ($img['type'] == 'image/png') || ($img['type'] == 'image/bmp'))