diff --git a/src/Concerns/Searching.php b/src/Concerns/Searching.php
index fa10b8a..f373c05 100644
--- a/src/Concerns/Searching.php
+++ b/src/Concerns/Searching.php
@@ -41,8 +41,10 @@ public function setSearchable(array|string $values, bool $safe = false): static
         }
 
         foreach ($values as $key => $value) {
-            if ($safe === true && isset($this->searchable[$key])) {
-                continue;
+            if ($safe === true) {
+                if (isset($this->searchable[$key]) || array_search($key, $this->searchable) !== false) {
+                    continue;
+                }
             }
 
             $this->searchable[$key] = $value;