diff --git a/header.go b/header.go
index 85f9809..9f9c012 100644
--- a/header.go
+++ b/header.go
@@ -1254,9 +1254,8 @@ func (h *RequestHeader) peek(key []byte) []byte {
 	case HeaderCookie:
 		if h.cookiesCollected {
 			return appendRequestCookieBytes(nil, h.cookies)
-		} else {
-			return peekArgBytes(h.h, key)
 		}
+		return peekArgBytes(h.h, key)
 	default:
 		return peekArgBytes(h.h, key)
 	}