diff --git a/tests/pexpects/fkr.py b/tests/pexpects/fkr.py
index 221797a50..2bafc095f 100644
--- a/tests/pexpects/fkr.py
+++ b/tests/pexpects/fkr.py
@@ -18,7 +18,7 @@ send, sendline, sleep, expect_prompt, expect_re, expect_str = (
 )
 expect_prompt()
 
-sendline("exec fish_key_reader -c")
+sendline("exec $fish_key_reader -c")
 
 # Do we get the expected startup prompt?
 expect_str("Press a key:")