diff --git a/hooks/_common.sh b/hooks/_common.sh
index 3b4bd79d0..20555bca9 100644
--- a/hooks/_common.sh
+++ b/hooks/_common.sh
@@ -349,7 +349,7 @@ function common::per_dir_hook {
   local pids=()
 
   # shellcheck disable=SC2207
-  local -a dir_paths_unique=("$(printf '%s\n' "${dir_paths[@]}" | sort -u)")
+  local -a dir_paths_unique=( $(printf '%s\n' "${dir_paths[@]}" | sort -u) )
 
   local length=${#dir_paths_unique[@]}
   local last_index=$((${#dir_paths_unique[@]} - 1))