diff --git a/model/SqlDbDriver.php b/model/SqlDbDriver.php
index 5e13557..1df208d 100644
--- a/model/SqlDbDriver.php
+++ b/model/SqlDbDriver.php
@@ -150,7 +150,10 @@ abstract class SqlDbDriver extends DbDriver
                 }
             } else {
                 if (is_array($term)) {
-                    $term = new DbExpr('(' . implode(',', array_map(function($item){return intval($item);}, $term)) . ')');
+                    foreach ($term as &$val) {
+                        $val = $this->driverQuote($val);
+                    }
+                    $term = new DbExpr('(' . implode(',', $term) . ')');
                 }
                 $term = $this->quoteInto($cond, $term);
             }