diff --git a/highlighters/main/test-data/alias.zsh b/highlighters/main/test-data/alias.zsh
index 2977343..5ec2a2d 100644
--- a/highlighters/main/test-data/alias.zsh
+++ b/highlighters/main/test-data/alias.zsh
@@ -43,7 +43,7 @@ BUFFER='x.alias2; alias1'
 # functionality is present, and skip verifying suffix-alias highlighting
 # if it isn't.
 expected_region_highlight=()
-if [[ "$(type -w x.alias2)" == *suffix* ]]; then
+if zmodload -e zsh/parameter || [[ "$(type -w x.alias2)" == *suffix* ]]; then
   expected_region_highlight+=(
     "1 8 suffix-alias" # x.alias2
   )