diff --git a/mirzaev/minimal/system/http/enumerations/content.php b/mirzaev/minimal/system/http/enumerations/content.php
index f9cce57..baef990 100755
--- a/mirzaev/minimal/system/http/enumerations/content.php
+++ b/mirzaev/minimal/system/http/enumerations/content.php
@@ -115,6 +115,7 @@ enum content: string
 		return match ($this) {
 			self::jpeg => 'jpg',
 			self::png => 'png',
+			self::webp => 'webp',
 			self::form, self::mixed, self::alternative, self::related => throw new exception_argument('Content can not have file extension', status::internal_server_error->value),
 			default => throw new exception_domain('Failed to recognize content: ' . $this->value, status::not_found->value)
 		};
diff --git a/mirzaev/minimal/system/http/response.php b/mirzaev/minimal/system/http/response.php
index 3f6f31b..7a99f1d 100755
--- a/mirzaev/minimal/system/http/response.php
+++ b/mirzaev/minimal/system/http/response.php
@@ -320,7 +320,7 @@ final class response
 	 */
 	public function validate(request $request): self|false
 	{
-		if (str_contains($request->headers['accept'], $this->headers['content-type'] ?? '')) {
+		if (str_contains($request->headers['accept'] ?? '', $this->headers['content-type'] ?? '')) {
 			// Validated with "accept" and "content-type"
 	
 			// Exit (success)
@@ -453,10 +453,10 @@ final class response
 		flush();
 
 		// Deinitializing headers property
-		unset($this->headers);
+		$this->headers = [];
 	
 		// Deinitializing headers
-		header_remove();
+		/* header_remove(); */
 		
 		// Exit (success)
 		return $this;