diff --git a/system_setup/common/wsl_conf.py b/system_setup/common/wsl_conf.py
index f41b05ca..d545f9ff 100644
--- a/system_setup/common/wsl_conf.py
+++ b/system_setup/common/wsl_conf.py
@@ -110,16 +110,13 @@ def default_loader(is_advanced=False):
     return data
 
 
-# TODO: remove dryrun and add root param once we write the option to .subiquity
-def wsl_config_update(config_class, is_dry_run):
+def wsl_config_update(config_class, root_dir):
     """
     This update the configuration file for the given class.zzd
 
     :param config_class: WSLConfigurationBase or WSLConfigurationAdvanced
     :param is_dry_run: boolean, True if it is a dry run
     """
-    if is_dry_run:
-        log.debug("mimicking setting config %s", config_class)
     temp_conf_default = {}
     temp_confname = config_class.__str__()
     if temp_confname.startswith("WSLConfigurationBase"):
@@ -128,8 +125,6 @@ def wsl_config_update(config_class, is_dry_run):
         temp_conf_default = config_adv_default
     else:
         raise TypeError("Invalid type name.")
-    if is_dry_run:
-        return
 
     # update the config file
     for config_type in temp_conf_default:
@@ -138,7 +133,8 @@ def wsl_config_update(config_class, is_dry_run):
         config = ConfigParser()
         config.BasicInterpolcation = None
 
-        conf_file = conf_type_to_file[config_type]
+        os.makedirs(os.path.join(root_dir, "etc"), exist_ok=True)
+        conf_file = os.path.join(root_dir, conf_type_to_file[config_type][1:])
 
         config.read(conf_file)
 
@@ -149,7 +145,7 @@ def wsl_config_update(config_class, is_dry_run):
                 config_api_name = \
                     config_section.lower() + "_" + config_setting.lower()
                 config_value = config_class.__dict__[config_api_name]
-                # if the value for the setting is defualt value, drop it
+                # if the value for the setting is default value, drop it
                 if config_default_value == config_value:
                     if config_setting in config[config_section]:
                         config.remove_option(config_section, config_setting)
diff --git a/system_setup/server/controllers/configure.py b/system_setup/server/controllers/configure.py
index b094acb9..e6c23fd1 100644
--- a/system_setup/server/controllers/configure.py
+++ b/system_setup/server/controllers/configure.py
@@ -68,6 +68,7 @@ class ConfigureController(SubiquityController):
 
             dryrun = self.app.opts.dry_run
             variant = self.app.variant
+            root_dir = self.model.root
             if variant == "wsl_setup":
                 wsl_id = self.model.identity.user
                 if dryrun:
@@ -96,9 +97,9 @@ class ConfigureController(SubiquityController):
                                            assign_grp_act.stderr))
             else:
                 wsl_config_update(self.model.wslconfadvanced.wslconfadvanced,
-                                  dryrun)
+                                  root_dir)
 
-            wsl_config_update(self.model.wslconfbase.wslconfbase, dryrun)
+            wsl_config_update(self.model.wslconfbase.wslconfbase, root_dir)
 
             self.app.update_state(ApplicationState.DONE)
         except Exception: