diff --git a/highlighters/main/test-data/sudo-redirection.zsh b/highlighters/main/test-data/sudo-redirection.zsh
index e31ce6e..c99e174 100644
--- a/highlighters/main/test-data/sudo-redirection.zsh
+++ b/highlighters/main/test-data/sudo-redirection.zsh
@@ -27,6 +27,7 @@
 # vim: ft=zsh sw=2 ts=2 et
 # -------------------------------------------------------------------------------------------------
 
+ZSH_HIGHLIGHT_STYLES[redirection]=$unused_highlight
 BUFFER='sudo -u >/tmp otheruser ls; sudo ls; sudo -i ls'
 
 expected_region_highlight=(
diff --git a/highlighters/main/test-data/sudo-redirection2.zsh b/highlighters/main/test-data/sudo-redirection2.zsh
index f806178..7242f3b 100644
--- a/highlighters/main/test-data/sudo-redirection2.zsh
+++ b/highlighters/main/test-data/sudo-redirection2.zsh
@@ -27,6 +27,7 @@
 # vim: ft=zsh sw=2 ts=2 et
 # -------------------------------------------------------------------------------------------------
 
+ZSH_HIGHLIGHT_STYLES[redirection]=$unused_highlight
 BUFFER='sudo >/tmp -u otheruser ls'
 
 expected_region_highlight=(