diff --git a/src/Providers/PicottsProvider.php b/src/Providers/PicottsProvider.php
index 2aae9e0..1161361 100644
--- a/src/Providers/PicottsProvider.php
+++ b/src/Providers/PicottsProvider.php
@@ -12,6 +12,7 @@
 use function explode;
 use function file_exists;
 use function file_get_contents;
+use function md5;
 use function preg_match;
 use function strlen;
 use function strtolower;
@@ -128,7 +129,7 @@ public function getOptions(): array
      */
     public function textToSpeech(string $text, FactoryInterface $factory = null): string
     {
-        $filename = sys_get_temp_dir() . DIRECTORY_SEPARATOR . "speaker_picotts.wav";
+        $filename = sys_get_temp_dir() . \DIRECTORY_SEPARATOR . "speaker_picotts_{$this->language}_" . md5($text) . ".wav";
 
         if (file_exists($filename)) {
             unlink($filename);
diff --git a/tests/Providers/PicottsProviderTest.php b/tests/Providers/PicottsProviderTest.php
index 05b0c2f..a1ce885 100644
--- a/tests/Providers/PicottsProviderTest.php
+++ b/tests/Providers/PicottsProviderTest.php
@@ -140,7 +140,7 @@ public function testTextToSpeechError(): void
         $this->result->shouldReceive("getStatus")->once()->with()->andReturn(0);
 
         $this->expectException(ProviderException::class);
-        $this->expectExceptionMessage("TextToSpeech unable to create file: /tmp/speaker_picotts.wav");
+        $this->expectExceptionMessageMatches("/^TextToSpeech unable to create file: \/tmp\/speaker_picotts_en-US_[a-f0-9]{32}\.wav$/");
         $provider->textToSpeech("Hello", $this->factory);
     }