diff --git a/src/Pecee/Pixie/QueryBuilder/QueryObject.php b/src/Pecee/Pixie/QueryBuilder/QueryObject.php
index 439061b..cec2d08 100644
--- a/src/Pecee/Pixie/QueryBuilder/QueryObject.php
+++ b/src/Pecee/Pixie/QueryBuilder/QueryObject.php
@@ -83,9 +83,11 @@ protected function interpolateQuery($query, $params): string
         $keys = [];
         $values = $params;
 
+        $query = str_replace('?', ':?', $query);
+
         // build a regular expression for each parameter
         foreach ($params as $key => $value) {
-            $keys[] = '/' . (\is_string($key) ? ':' . $key : '[?]') . '/';
+            $keys[] = '/' . (\is_string($key) ? ':' . $key : '\:\?') . '/';
 
             if($value instanceof Raw) {
                 continue;