diff --git a/src/unisync/errors.py b/src/unisync/errors.py
index 08e25de..988d4d3 100644
--- a/src/unisync/errors.py
+++ b/src/unisync/errors.py
@@ -6,3 +6,6 @@ class RemoteMountedError(BaseException):
 
 class InvalidMountError(BaseException):
     pass
+
+class UnknownSSHError(BaseException):
+    pass