diff --git a/Model/MySQLiStatement.php b/Model/MySQLiStatement.php
index 87cdaf6..ac80da1 100644
--- a/Model/MySQLiStatement.php
+++ b/Model/MySQLiStatement.php
@@ -21,7 +21,7 @@ class MySQLiStatement extends DbStatement
         if ($this->map === null) {
             $this->mapPlaceholders();
         }
-        if (count($this->map) > 0) {
+        if (is_array($this->map) && count($this->map) > 0) {
             if (!is_string($param) && !is_int($param)) {
                 throw new \Majestic\Exception\GeneralException('Placeholder must be an integer or string');
             }