diff --git a/packages/support/src/helpers.php b/packages/support/src/helpers.php
index c237d6ff19..62c72e6339 100644
--- a/packages/support/src/helpers.php
+++ b/packages/support/src/helpers.php
@@ -163,22 +163,25 @@ 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' => (str($column)->contains('->')
-                    ? str($column)
-                        ->beforeLast('->')
+            'pgsql' => (
+                str($column)->contains('->')
+                    ? str(
+                        str($column)
+                            ->beforeLast('->')
+                            ->explode('.')
+                            ->map(fn (string $part) => str($part)->wrap('"'))
+                            ->implode('.')
+                    )
                         ->append('->>')
                         ->append("'")
                         ->append(str($column)->afterLast('->'))
                         ->append("'")
-                    : $column) . '::text',
+                    : str($column)
+                        ->explode('.')
+                        ->map(fn (string $part) => str($part)->wrap('"'))
+                        ->implode('.')
+            ) . '::text',
             default => $column,
         };
 
diff --git a/tests/src/Support/helpersTest.php b/tests/src/Support/helpersTest.php
index 627373d5ea..a5c8d2a29a 100644
--- a/tests/src/Support/helpersTest.php
+++ b/tests/src/Support/helpersTest.php
@@ -75,5 +75,24 @@ it('will generate json search column expression for pgsql', function () {
     $expression = generate_search_column_expression($column, $isSearchForcedCaseInsensitive, $databaseConnection);
 
     expect($expression->getValue($grammar))
-        ->toBe("lower(data->>'name'::text)");
+        ->toBe("lower(\"data\"->>'name'::text)");
 });
+
+it('will generate column expression for pgsql with colons in the name', function (string $column, string $text) {
+    $isSearchForcedCaseInsensitive = true;
+
+    $databaseConnection = Mockery::mock(Connection::class);
+    $databaseConnection->shouldReceive('getDriverName')->andReturn('pgsql');
+    $databaseConnection->shouldReceive('getConfig')->with('search_collation')->andReturn(null);
+
+    $grammar = new PostgresGrammar($databaseConnection);
+
+    $expression = generate_search_column_expression($column, $isSearchForcedCaseInsensitive, $databaseConnection);
+
+    expect($expression->getValue($grammar))
+        ->toBe($text);
+})
+    ->with([
+        ['blog:posts.title', 'lower("blog:posts"."title"::text)'],
+        ['blog:posts:comments.author.name', 'lower("blog:posts:comments"."author"."name"::text)'],
+    ]);