diff --git a/docker-compose.yml b/docker-compose.yml
index b2071267bbcffd157fb6566003bd7620b39b5217..1d4845b82f4e7b1ebc3c333a82f283df626940a4 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -24,7 +24,7 @@ services:
       YOURLS_DB_NAME: "yourls"
       YOURLS_DB_USER: "yourls"
       YOURLS_DB_PASS: "youareells"
-      YOURLS_DEBUG: true
+      YOURLS_DEBUG: "true"
     volumes:
       - ./url-ownership/:/var/www/html/user/plugins/url-ownership/:z
 
diff --git a/url-ownership/plugin.php b/url-ownership/plugin.php
index 00692279d8aa6a1d957d175133537660a4e0fc4b..210feee7496f0bf9f448f5cbbb31c579def008f6 100644
--- a/url-ownership/plugin.php
+++ b/url-ownership/plugin.php
@@ -74,8 +74,9 @@ function uo_add_owner_cells_filter( $cells, $keyword, $url, $title, $ip, $clicks
     global $ydb;
 
     $table = YOURLS_DB_YOURLS_OWNER;
-    $sql   = "SELECT owner FROM `$table` where `keyword` = '$keyword'";
-    $whoOwns = $ydb->fetchValue($sql);
+    $sql   = "SELECT owner FROM `$table` where `keyword` = :keyword";
+    $binds = array('keyword' => $keyword);
+    $whoOwns = $ydb->fetchValue($sql, $binds);
 
     if (!$whoOwns) {
         $whoOwns = 'No Record';