diff --git a/zsh_completions.go b/zsh_completions.go
index 1afec30e..36774b61 100644
--- a/zsh_completions.go
+++ b/zsh_completions.go
@@ -202,7 +202,7 @@ _%[1]s()
         _arguments '*:filename:'"$filteringCmd"
     elif [ $((directive & shellCompDirectiveFilterDirs)) -ne 0 ]; then
         # File completion for directories only
-        local subDir
+        local subdir
         subdir="${completions[1]}"
         if [ -n "$subdir" ]; then
             __%[1]s_debug "Listing directories in $subdir"