diff --git a/packages/support/src/helpers.php b/packages/support/src/helpers.php
index 0c9761a80d..847000e911 100644
--- a/packages/support/src/helpers.php
+++ b/packages/support/src/helpers.php
@@ -163,15 +163,11 @@ if (! function_exists('Filament\Support\generate_search_column_expression')) {
     {
         $driverName = $databaseConnection->getDriverName();
 
-        if (Str::lower($column) !== $column) {
-            $column = match ($driverName) {
-                'pgsql' => (string) str($column)->wrap('"'),
-                default => $column,
-            };
-        }
-
         $column = match ($driverName) {
-            'pgsql' => "{$column}::text",
+            'pgsql' => (string) str($column)
+                ->explode('.')
+                ->map(fn (string $part) => str($part)->wrap('"'))
+                ->implode('.') . '::text',
             default => $column,
         };