diff --git a/subiquity/controllers/installprogress.py b/subiquity/controllers/installprogress.py
index 6f6c411b..ecdfd7d0 100644
--- a/subiquity/controllers/installprogress.py
+++ b/subiquity/controllers/installprogress.py
@@ -24,7 +24,6 @@ from subiquitycore.controller import BaseController
 from subiquity.curtin import (CURTIN_CONFIGS,
                               CURTIN_INSTALL_LOG,
                               CURTIN_POSTINSTALL_LOG,
-                              curtin_reboot,
                               curtin_install_cmd)
 from subiquity.models import InstallProgressModel
 from subiquity.ui.views import ProgressView
@@ -220,8 +219,8 @@ class InstallProgressController(BaseController):
         if self.opts.dry_run:
             log.debug('dry-run enabled, skipping reboot, quiting instead')
             self.signal.emit_signal('quit')
-
-        curtin_reboot()
+        else:
+            utils.run_command(["/sbin/reboot"])
 
     def quit(self):
         utils.disable_subiquity()
diff --git a/subiquity/curtin.py b/subiquity/curtin.py
index 122e70e7..36745ef5 100644
--- a/subiquity/curtin.py
+++ b/subiquity/curtin.py
@@ -221,17 +221,3 @@ def curtin_install_cmd(configs):
     log.info('curtin install command: {}'.format(" ".join(install_cmd)))
 
     return install_cmd
-
-
-def curtin_reboot():
-    cmd = "/sbin/reboot"
-    log.info("powering off with %s", cmd)
-    fid = os.fork()
-    if fid == 0:
-        try:
-            subprocess.call([cmd])
-            os._exit(0)
-        except:
-            log.warn("%s returned non-zero" % cmd)
-            os._exit(1)
-    return