diff --git a/app/Support/Search/OperatorQuerySearch.php b/app/Support/Search/OperatorQuerySearch.php
index 929057593e..d6e81a60b2 100644
--- a/app/Support/Search/OperatorQuerySearch.php
+++ b/app/Support/Search/OperatorQuerySearch.php
@@ -856,9 +856,9 @@ class OperatorQuerySearch implements SearchInterface
                 break;
             case '-tag_is_not':
             case 'tag_is':
-                $result = $this->tagRepository->searchTag($value);
-                if ($result->count() > 0) {
-                    $this->collector->setTags($result);
+                $result = $this->tagRepository->findByTag($value);
+                if (null !== $result) {
+                    $this->collector->setTags(new Collection([$result]));
                 }
                 // no tags found means search must result in nothing.
                 if (0 === $result->count()) {