diff --git a/test/completion/bash-it.completion.bats b/test/completion/bash-it.completion.bats
index 580e220d2a..6b46792383 100644
--- a/test/completion/bash-it.completion.bats
+++ b/test/completion/bash-it.completion.bats
@@ -34,7 +34,7 @@ function __check_completion() {
 
   # Word index of the last word
   COMP_CWORD=$(( ${#COMP_WORDS[@]} - 1 ))
-
+  COMP_WORDS+=('') # arg
   # Run the Bash-it completion function
   _bash-it-comp