diff --git a/suda/src/database/statement/WherePrepareTrait.php b/suda/src/database/statement/WherePrepareTrait.php
index 6cf2c0e8..930d1dad 100644
--- a/suda/src/database/statement/WherePrepareTrait.php
+++ b/suda/src/database/statement/WherePrepareTrait.php
@@ -176,15 +176,24 @@ protected function normalizeWhereArray(array $where)
         }
         $newWhere = [];
         foreach ($where as $name => $value) {
-            if (is_array($value) && $this->countObject($value) === 2) {
+            if (is_array($value)) {
                 $newWhere[] = [$name, $value[0], $value[1]];
             } else {
-                $newWhere[] = [$name, '=', $value];
+                $op = $this->isArray($value)?'in':'=';
+                $newWhere[] = [$name, $op, $value];
             }
         }
         return $newWhere;
     }
 
+    /**
+     * @param $value
+     * @return bool
+     */
+    protected function isArray($value) {
+        return is_array($value) || $value instanceof IteratorAggregate;
+    }
+
     /**
      * @param array $where
      * @return bool
@@ -203,7 +212,7 @@ protected function isNumberArray(array $where)
      */
     public function getQueryForString(string $where, string $name, $value)
     {
-        if (is_array($value) || $value instanceof IteratorAggregate) {
+        if ($this->isArray($value)) {
             [$inSQL, $binders] = $this->prepareInParameter($value, $name);
             $where = $this->replaceQuote($name, $inSQL, $where);
             return new Query($where, $binders);