diff --git a/draft/library/server/request/rest/tests/src/app/app_account_verify_credential.e b/draft/library/server/request/rest/tests/src/app/app_account_verify_credential.e
index 59448bee..d87b6683 100644
--- a/draft/library/server/request/rest/tests/src/app/app_account_verify_credential.e
+++ b/draft/library/server/request/rest/tests/src/app/app_account_verify_credential.e
@@ -48,8 +48,8 @@ feature -- Execution
 			lst: LIST [STRING]
 		do
 			res.set_status_code ({HTTP_STATUS_CODE}.unauthorized)
-			res.write_header ({HTTP_STATUS_CODE}.unauthorized, <<["WWW-Authenticate", "Basic realm=%"My Silly demo auth, password must be the same as login such as foo:foo%""]>>)
-			res.write_string ("Unauthorized")
+			res.put_header ({HTTP_STATUS_CODE}.unauthorized, <<["WWW-Authenticate", "Basic realm=%"My Silly demo auth, password must be the same as login such as foo:foo%""]>>)
+			res.put_string ("Unauthorized")
 		end
 
 	execute_application (ctx: APP_REQUEST_HANDLER_CONTEXT; req: WSF_REQUEST; res: WSF_RESPONSE)
@@ -88,8 +88,8 @@ feature -- Execution
 					end
 					if not s.is_empty then
 						res.set_status_code ({HTTP_STATUS_CODE}.ok)
-						res.write_header_text (h.string)
-						res.write_string (s)
+						res.put_header_text (h.string)
+						res.put_string (s)
 					end
 				else
 					send_error (ctx.path, 0, "User/password unknown", Void, ctx, req, res)
diff --git a/draft/library/server/request/rest/tests/src/app/app_test.e b/draft/library/server/request/rest/tests/src/app/app_test.e
index 75990573..5e6e745b 100644
--- a/draft/library/server/request/rest/tests/src/app/app_test.e
+++ b/draft/library/server/request/rest/tests/src/app/app_test.e
@@ -80,8 +80,8 @@ feature -- Execution
 			end
 
 			res.set_status_code (200)
-			res.write_header_text (h.string)
-			res.write_string (s)
+			res.put_header_text (h.string)
+			res.put_string (s)
 		end
 
 note
diff --git a/draft/library/server/request/rest/tests/src/app_server.e b/draft/library/server/request/rest/tests/src/app_server.e
index 6ca093ad..c5260a82 100644
--- a/draft/library/server/request/rest/tests/src/app_server.e
+++ b/draft/library/server/request/rest/tests/src/app_server.e
@@ -92,8 +92,8 @@ feature -- Execution
 			s.append ("You are being redirected to <a href=%"" + l_redir_url + "%">/doc</a> in 2 seconds ...%N")
 			h.put_content_length (s.count)
 			res.set_status_code ({HTTP_STATUS_CODE}.temp_redirect)
-			res.write_header_text (h.string)
-			res.write_string (s)
+			res.put_header_text (h.string)
+			res.put_string (s)
 		end
 
 	request_count: INTEGER
@@ -128,12 +128,12 @@ feature -- Implementation
 			s: STRING
 		do
 			res.set_status_code (200)
-			res.write_header (200, <<["Content-Type", "text/html"]>>)
+			res.put_header (200, <<["Content-Type", "text/html"]>>)
 
 			create s.make_empty
 			s.append_string ("Exited")
 			s.append_string (" <a href=%"" + ctx.script_url ("/") + "%">start again</a>%N")
-			res.write_string (s)
+			res.put_string (s)
 			exit_with_code (0)
 		end