diff --git a/doc/cli.rst b/doc/cli.rst
index b3349b875d4..102d3b674de 100644
--- a/doc/cli.rst
+++ b/doc/cli.rst
@@ -14,7 +14,10 @@ In zsh (``~/.zshrc``) or bash (``~/.bashrc``):
 
 .. code-block:: sh
 
-    eval "$(_TMUXP_COMPLETE=source tmuxp)"
+    if command -v tmuxp >/dev/null; then
+        eval "$(_TMUXP_COMPLETE=source tmuxp)"
+    fi
+
 
 .. _cli_freeze: