diff --git a/tools.funcs.zsh b/tools.funcs.zsh
index c3f0014..92a825d 100644
--- a/tools.funcs.zsh
+++ b/tools.funcs.zsh
@@ -34,24 +34,24 @@ function zshlibs_boot()
 
 function zshlibs_ensure()
 {
-  target=${2}
-  typ=${1}
-  if ! test -e ${target}
+  target="${2}"
+  typ="${1}"
+  if ! test -e "${target}"
   then
     zshlibs_log zshlibs_ensure "creating '${target}' ($typ) …"
     case $typ in
       -d)
-        mkdir -p ${target} \
+        mkdir -p "${target}" \
           || zshlibs_log $0 "unable to create directory '${target}'"  \
           && return 2
         ;;
       -f)
-        touch ${target} \
+        touch "${target}" \
           || zshlibs_log $0 "unable to create file '${target}'" \
           && return 2
     esac
     zshlibs_log zshlibs_ensure "target '${target}' created"
-  elif test ${typ} ${target}
+  elif test "${typ}" "${target}"
   then 
     zshlibs_log zshlibs_ensure "target '${target}' ($typ) present"
     return 0