diff --git a/src/Services/Writers/DefaultWriter.php b/src/Services/Writers/DefaultWriter.php
index 61863f6..d42246f 100644
--- a/src/Services/Writers/DefaultWriter.php
+++ b/src/Services/Writers/DefaultWriter.php
@@ -7,9 +7,20 @@
 use Amirami\Localizator\Contracts\Writable;
 use Illuminate\Filesystem\Filesystem;
 use Illuminate\Support\Arr;
+use Illuminate\Support\Str;
 
 class DefaultWriter implements Writable
 {
+    /**
+     * @var string
+     */
+    protected $tempUuid;
+
+    public function __construct()
+    {
+        $this->tempUuid = Str::uuid();
+    }
+
     /**
      * @param string $locale
      * @param Translatable $keys
@@ -46,9 +57,9 @@ protected function elevate(Translatable $keys): DefaultKeyCollection
      * @param array $contents
      * @return string
      */
-    protected function exportArray(array $contents): string
+    public function exportArray(array $contents): string
     {
-        $export = var_export($contents, true);
+        $export = var_export($this->temporarilyModifyIntKeys($contents), true);
 
         $patterns = [
             "/array \(/" => '[',
@@ -63,7 +74,7 @@ protected function exportArray(array $contents): string
             $export
         );
 
-        return sprintf("<?php\n\nreturn %s;\n", $export);
+        return sprintf("<?php\n\nreturn %s;\n", str_replace("_$this->tempUuid", '', $export));
     }
 
     /**
@@ -75,4 +86,26 @@ protected function getFile(string $locale, string $fileName): string
     {
         return lang_path($locale.DIRECTORY_SEPARATOR.$fileName.'.php');
     }
+
+    /**
+     * @param array $contents
+     * @return array
+     */
+    public function temporarilyModifyIntKeys(array $contents): array
+    {
+        $collection = collect($contents)
+            ->mapWithKeys(function ($value, $key) {
+                if (is_int($key)) {
+                    $key .= '_'.$this->tempUuid;
+                }
+
+                if (is_array($value)) {
+                    $value = $this->temporarilyModifyIntKeys($value);
+                }
+
+                return [$key => $value];
+            });
+
+        return $collection->toArray();
+    }
 }
diff --git a/tests/Concerns/CreatesTestFiles.php b/tests/Concerns/CreatesTestFiles.php
index 8233245..5321e76 100644
--- a/tests/Concerns/CreatesTestFiles.php
+++ b/tests/Concerns/CreatesTestFiles.php
@@ -2,6 +2,7 @@
 
 namespace Amirami\Localizator\Tests\Concerns;
 
+use Amirami\Localizator\Services\Writers\DefaultWriter;
 use RuntimeException;
 
 trait CreatesTestFiles
@@ -66,7 +67,8 @@ protected function createTestJsonLangFile(array $contents, string $locale): void
      */
     protected function createTestDefaultLangFile(array $contents, string $fileName, string $locale): void
     {
-        $export = sprintf("<?php\n\nreturn %s;\n", var_export($contents, true));
+        $writer = app(DefaultWriter::class);
+        $export = $writer->exportArray($contents);
         $dir = lang_path($locale);
 
         if (! file_exists($dir) && ! mkdir($dir, 0755) && ! is_dir($dir)) {
diff --git a/tests/LocalizatorTest.php b/tests/LocalizatorTest.php
index 4334297..788c6b9 100644
--- a/tests/LocalizatorTest.php
+++ b/tests/LocalizatorTest.php
@@ -211,4 +211,88 @@ public function testLocalizeCommandWithMultilineMessagesAndSpaces(): void
         // Cleanup.
         self::flushDirectories('lang', 'views');
     }
+
+    public function testIntTranslationKeysAreBeingSavedAsStrings(): void
+    {
+        $this->createTestView("{{ __('errors.401.title') }}<br/>{{ __('errors.401.message') }}");
+
+        $this->createTestDefaultLangFile([
+            '401' => [
+                'title' => '401 - Unauthorized',
+                'message' => 'Sorry, you are not authorized to view this page.',
+            ],
+            '404' => [
+                'title' => '404 - Page Not Found',
+                'message' => 'Sorry, we couldn\'t find this page.',
+            ],
+        ], 'errors', 'en');
+
+        config(['localizator.sort' => false]);
+
+        // Run localize command.
+        $this->artisan('localize', ['lang' => 'en'])
+            ->assertExitCode(0);
+
+        // Do created locale files exist?
+        self::assertDefaultLangFilesExist(['en'], ['errors']);
+
+        // Get exported contents.
+        $path = $this->getLangFilePath('en'.DIRECTORY_SEPARATOR.'errors.php');
+        $contents = file_get_contents($path);
+        $expected = <<<'PHP'
+<?php
+
+return [
+    '401' => [
+        'title' => '401 - Unauthorized',
+        'message' => 'Sorry, you are not authorized to view this page.',
+    ],
+    '404' => [
+        'title' => '404 - Page Not Found',
+        'message' => 'Sorry, we couldn\'t find this page.',
+    ],
+];
+
+PHP;
+
+        $this->assertSame(preg_replace('/\r\n|\r|\n/', "\n", $expected), $contents);
+    }
+
+    public function testIntTranslationNestedKeysAreBeingSavedAsStrings(): void
+    {
+        $this->createTestView("{{ __('errors.4.401') }}<br/>{{ __('errors.4.404') }}");
+
+        $this->createTestDefaultLangFile([
+            '4' => [
+                '401' => '401 - Unauthorized',
+                '404' => '404 - Page Not Found',
+            ],
+        ], 'errors', 'en');
+
+        config(['localizator.sort' => false]);
+
+        // Run localize command.
+        $this->artisan('localize', ['lang' => 'en'])
+            ->assertExitCode(0);
+
+        // Do created locale files exist?
+        self::assertDefaultLangFilesExist(['en'], ['errors']);
+
+        // Get exported contents.
+        $path = $this->getLangFilePath('en'.DIRECTORY_SEPARATOR.'errors.php');
+        $contents = file_get_contents($path);
+        $expected = <<<'PHP'
+<?php
+
+return [
+    '4' => [
+        '401' => '401 - Unauthorized',
+        '404' => '404 - Page Not Found',
+    ],
+];
+
+PHP;
+
+        $this->assertSame(preg_replace('/\r\n|\r|\n/', "\n", $expected), $contents);
+    }
 }