diff --git a/src/Store/EloquentAdapter.php b/src/Store/EloquentAdapter.php
index 06bcc408..d045015a 100644
--- a/src/Store/EloquentAdapter.php
+++ b/src/Store/EloquentAdapter.php
@@ -364,7 +364,7 @@ protected function getQualifiedSortColumn(Builder $query, $field)
     {
         $key = $this->columnForField($field, $query->getModel());
 
-        if (!str_contains('.', $key)) {
+        if (!str_contains($key, '.')) {
             $key = sprintf('%s.%s', $query->getModel()->getTable(), $key);
         }