diff --git a/lua/taolf/main.lua b/lua/taolf/main.lua
index e8cf4c2..57bc463 100644
--- a/lua/taolf/main.lua
+++ b/lua/taolf/main.lua
@@ -116,7 +116,7 @@ function Lf:__set_cmd_wrapper()
     end
 
     self.term.cmd =
-        ([[%s -command='$printf $id > %s' -last-dir-path='%s' -selection-path='%s' '%s']])
+        ([[env TAOLF=true %s -command='$printf $id > %s' -last-dir-path='%s' -selection-path='%s' '%s']])
         :format(
             self.term.cmd,
             self.tmp_id,