diff --git a/app/Http/Controllers/Controller.php b/app/Http/Controllers/Controller.php
index 225eab3a..24d8bf99 100644
--- a/app/Http/Controllers/Controller.php
+++ b/app/Http/Controllers/Controller.php
@@ -315,20 +315,21 @@ class Controller extends BaseController
         string|null $search = null
     ): \Illuminate\Pagination\LengthAwarePaginator {
         $modelsTitles = [];
-        $query->when(!is_null($search), function (Builder $q) use ($search, $searchField) {
-            $q->where($searchField, 'like', "%{$search}%");
+        $searchLower = Str::lower($search);
+        $query->when(!is_null($search), function (Builder $q) use ($searchLower, $searchField) {
+            $q->where($searchField, 'like', "%{$searchLower}%");
         })
             ->where('published', true)
             ->inRandomOrder()
             ->pluck($searchField)
-            ->each(function (string $title) use (&$modelsTitles, $search) {
+            ->each(function (string $title) use (&$modelsTitles, $searchLower) {
                 if (count($modelsTitles) < 5) {
                     foreach (explode(" ", $title) as $word) {
                         $word = Str::lower($word);
                         if (
                             strlen($word) > 3
                             && !in_array($word, $modelsTitles)
-                            && ((!is_null($search)) ? str_contains($word, $search) : true)
+                            && ((!is_null($searchLower)) ? str_contains($word, $searchLower) : true)
                         ) {
                             $modelsTitles[] = $word;
                         }