1 files changed, 1 insertions, 1 deletions
diff --git a/idiorm.php b/idiorm.php
index 080ef5d..7125a33 100644
--- a/idiorm.php
+++ b/idiorm.php
@@ -2101,7 +2101,7 @@
                         // if the primary key is compound, assign the last inserted id
                         // to the first column
                         if (is_array($column)) {
-                            $column = array_slice($column, 0, 1);
+                            $column = reset($column);
                         }
                         $this->_data[$column] = $db->lastInsertId();
                     }