diff --git a/framework/db/ActiveRelationTrait.php b/framework/db/ActiveRelationTrait.php
index 228ef75757..ffcd272be8 100644
--- a/framework/db/ActiveRelationTrait.php
+++ b/framework/db/ActiveRelationTrait.php
@@ -525,7 +525,7 @@ trait ActiveRelationTrait
                 if (($value = $model[$attribute]) !== null) {
                     if (is_array($value)) {
                         $values = array_merge($values, $value);
-                    } elseif($value instanceof ArrayExpression && $value->getDimension() === 1) {
+                    } elseif ($value instanceof ArrayExpression && $value->getDimension() === 1) {
                         $values = array_merge($values, $value->getValue());
                     } else {
                         $values[] = $value;