diff --git a/qutebrowser/misc/ipc.py b/qutebrowser/misc/ipc.py
index 4afae78e9..6641a9ee8 100644
--- a/qutebrowser/misc/ipc.py
+++ b/qutebrowser/misc/ipc.py
@@ -362,7 +362,7 @@ class IPCServer(QObject):
     @pyqtSlot()
     def on_timeout(self):
         """Cancel the current connection if it was idle for too long."""
-        if self._socket is None:
+        if self._socket is None:  # pragma: no cover
             log.ipc.error("on_timeout got called with None socket!")
             return
         log.ipc.error("IPC connection timed out "