diff --git a/src/Db/Adapter/PostgresAdapter.php b/src/Db/Adapter/PostgresAdapter.php
index bb204b688..1f291c4e9 100644
--- a/src/Db/Adapter/PostgresAdapter.php
+++ b/src/Db/Adapter/PostgresAdapter.php
@@ -984,8 +984,11 @@ public function createDatabase(string $name, array $options = []): void
      */
     public function hasDatabase(string $name): bool
     {
-        $sql = sprintf("SELECT count(*) FROM pg_database WHERE datname = '%s'", $name);
-        $result = $this->fetchRow($sql);
+        $connection = $this->getConnection();
+        $result = $connection->execute(
+            'SELECT count(*) FROM pg_database WHERE datname = ?',
+            [$name],
+        )->fetch('assoc');
         if (!$result) {
             return false;
         }