diff --git a/src/Plugin/search_api/backend/SearchApiSolrBackend.php b/src/Plugin/search_api/backend/SearchApiSolrBackend.php
index 31f2bd87..b402d1ef 100644
--- a/src/Plugin/search_api/backend/SearchApiSolrBackend.php
+++ b/src/Plugin/search_api/backend/SearchApiSolrBackend.php
@@ -3475,7 +3475,7 @@ protected function createFilterQuery($field, $value, $operator, FieldInterface $
     }
 
     foreach ($value as &$v) {
-      if ('*' === $value) {
+      if ('*' === $v) {
         if (!in_array($operator, ['=', 'BETWEEN', 'NOT BETWEEN'])) {
           throw new SearchApiSolrException('Unsupported operator for wildcard searches');
         }