diff --git a/src/Protocols/Http/Response.php b/src/Protocols/Http/Response.php
index 8ee51b7e0..76c901bca 100644
--- a/src/Protocols/Http/Response.php
+++ b/src/Protocols/Http/Response.php
@@ -56,7 +56,7 @@ class Response implements Stringable
     public ?array $file = null;
 
     /**
-     * Mine type map.
+     * Mime Type map.
      * @var array
      */
     protected static array $mimeTypeMap = [
@@ -340,6 +340,17 @@ public function getHeaders(): array
         return $this->headers;
     }
 
+    /**
+     * Get Mime Type from extension.
+     *
+     * @param string $ext
+     * @return string
+     */
+    public function getMimeType(string $ext): string
+    {
+        return self::$mimeTypeMap[$ext] ?? 'application/octet-stream';
+    }
+
     /**
      * Set status.
      *
@@ -496,15 +507,13 @@ protected function createHeadForFile(array $fileInfo): string
         if ($baseName === '') {
             $baseName = 'unknown';
         }
+        $mime = '';
         if (!isset($headers['Content-Type'])) {
-            if (isset(self::$mimeTypeMap[$extension])) {
-                $head .= "Content-Type: " . self::$mimeTypeMap[$extension] . "\r\n";
-            } else {
-                $head .= "Content-Type: application/octet-stream\r\n";
-            }
+            $mime = $this->getMimeType($extension);
+            $head .= "Content-Type: " . $mime . "\r\n";
         }
 
-        if (!isset($headers['Content-Disposition']) && !isset(self::$mimeTypeMap[$extension])) {
+        if (!isset($headers['Content-Disposition']) && $mime === 'application/octet-stream') {
             $head .= "Content-Disposition: attachment; filename=\"$baseName\"\r\n";
         }
 
diff --git a/tests/Unit/Protocols/Http/ResponseTest.php b/tests/Unit/Protocols/Http/ResponseTest.php
index 1bd61fd6a..ec2a12654 100644
--- a/tests/Unit/Protocols/Http/ResponseTest.php
+++ b/tests/Unit/Protocols/Http/ResponseTest.php
@@ -54,4 +54,4 @@
     expect((string)$response)
         ->toContain('Content-Type: image/jpeg')
         ->toContain('Last-Modified: ');
-});
\ No newline at end of file
+});