1 files changed, 1 insertions, 1 deletions
diff --git a/test/fs.py b/test/fs.py
index 45c38c2e..53a9d4df 100644
--- a/test/fs.py
+++ b/test/fs.py
@@ -246,7 +246,7 @@ def discovery(binary, embedded=False):
                 client.write('/focus', b'99999\n')
                 raise AssertionError('focus took a serial no pane has')
             except OSError as refused:
-                assert 'no such window' in str(refused), refused
+                assert 'no such pane' in str(refused), refused
             # /ctl reads the settings as a write takes them and takes the
             # session's builtins; a pane's ctl takes the pane's.
             settings = client.read('/ctl')