diff --git a/onionshare/common.py b/onionshare/common.py
index 218d5e6c..d51fcbaf 100644
--- a/onionshare/common.py
+++ b/onionshare/common.py
@@ -225,7 +225,7 @@ def dir_size(start_path):
     return total_size
 
 
-class close_after_seconds(threading.Thread):
+class ShutdownTimer(threading.Thread):
     """
     Background thread sleeps t hours and returns.
     """
diff --git a/onionshare/onionshare.py b/onionshare/onionshare.py
index 85bfaf22..02da4b62 100644
--- a/onionshare/onionshare.py
+++ b/onionshare/onionshare.py
@@ -21,6 +21,7 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 import os, shutil
 
 from . import common, strings
+from .common import ShutdownTimer
 
 class OnionShare(object):
     """
@@ -74,7 +75,7 @@ class OnionShare(object):
             return
 
         if self.shutdown_timeout > 0:
-            self.shutdown_timer = common.close_after_seconds(self.shutdown_timeout)
+            self.shutdown_timer = ShutdownTimer(self.shutdown_timeout)
 
         self.onion_host = self.onion.start_onion_service(self.port)
 
diff --git a/onionshare_gui/onionshare_gui.py b/onionshare_gui/onionshare_gui.py
index 947499ed..3e7addce 100644
--- a/onionshare_gui/onionshare_gui.py
+++ b/onionshare_gui/onionshare_gui.py
@@ -24,6 +24,7 @@ import queue
 from PyQt5 import QtCore, QtWidgets, QtGui
 
 from onionshare import strings, common
+from onionshare.common import ShutdownTimer
 from onionshare.settings import Settings
 from onionshare.onion import *
 
@@ -468,7 +469,7 @@ class OnionShareGui(QtWidgets.QMainWindow):
             self.timeout = now.secsTo(self.server_status.timeout)
             # Set the shutdown timeout value
             if self.timeout > 0:
-                self.app.shutdown_timer = common.close_after_seconds(self.timeout)
+                self.app.shutdown_timer = ShutdownTimer(self.timeout)
                 self.app.shutdown_timer.start()
             # The timeout has actually already passed since the user clicked Start. Probably the Onion service took too long to start.
             else: