diff --git a/nselib/http.lua b/nselib/http.lua
index b1ef97ae8..7c39d1b77 100644
--- a/nselib/http.lua
+++ b/nselib/http.lua
@@ -358,7 +358,19 @@ local function validate_options(options)
                 stdnse.debug1("http: options.cookies[i].max-age should be a string")
                 bad = true
               end
-            elseif not (cookie_key == 'httponly' or cookie_key == 'secure') then
+            elseif(cookie_key == 'domain') then
+              if(type(cookie_value) ~= 'string') then
+                stdnse.debug1("http: options.cookies[i].domain should be a string")
+                bad = true
+              end
+            elseif(cookie_key == 'samesite') then
+              if(type(cookie_value) ~= 'string') then
+                stdnse.debug1("http: options.cookies[i].samesite should be a string")
+                bad = true
+              end
+            elseif not (cookie_key == 'httponly'
+                     or cookie_key == 'secure'
+                     or cookie_key == 'partitioned') then
               stdnse.debug1("http: Unknown field in cookie table: %s", cookie_key)
               -- Ignore unrecognized attributes (per RFC 6265, Section 5.2)
             end