diff --git a/per-host/mordhona/.bash_aliases b/per-host/mordhona/.bash_aliases
index dc004ed..43d4cdb 100644
--- a/per-host/mordhona/.bash_aliases
+++ b/per-host/mordhona/.bash_aliases
@@ -1,4 +1,4 @@
 #!/bin/bash
 . ~/.bash_aliases-common
 
-auto_tmux
+[[ $- == *i* ]] && auto_tmux
diff --git a/ssh/known_hosts b/ssh/known_hosts
index 7dce936..af0673d 100644
--- a/ssh/known_hosts
+++ b/ssh/known_hosts
@@ -28,3 +28,16 @@
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