diff --git a/mitmproxy/addons/view.py b/mitmproxy/addons/view.py
index 5c8d7c3d3..d62221c5a 100644
--- a/mitmproxy/addons/view.py
+++ b/mitmproxy/addons/view.py
@@ -211,14 +211,13 @@ class Focus:
     def __init__(self, v: View) -> None:
         self.view = v
         self._flow = None
+        self.sig_change = blinker.Signal()
         if len(self.view):
             self.flow = self.view[0]
         v.sig_add.connect(self._sig_add)
         v.sig_remove.connect(self._sig_remove)
         v.sig_refresh.connect(self._sig_refresh)
 
-        self.sig_change = blinker.Signal()
-
     @property
     def flow(self) -> typing.Optional[mitmproxy.flow.Flow]:
         return self._flow