diff --git a/lib/termsupport.zsh b/lib/termsupport.zsh
index 145982705..6d969503d 100644
--- a/lib/termsupport.zsh
+++ b/lib/termsupport.zsh
@@ -121,8 +121,8 @@ fi
 #
 # As of May 2021 mlterm, PuTTY, rxvt, screen, termux & xterm simply ignore the unknown OSC.
 
-# Don't define the function if we're inside Emacs
-if [[ -n "$INSIDE_EMACS" ]]; then
+# Don't define the function if we're inside Emacs or in an SSH session (#11696)
+if [[ -n "$INSIDE_EMACS" || -n "$SSH_CLIENT" || -n "$SSH_TTY" ]]; then
   return
 fi