diff --git a/init.sh b/init.sh
index 55a9c95..892d186 100644
--- a/init.sh
+++ b/init.sh
@@ -24,7 +24,9 @@ if [[ -n ${BASH_VERSION} ]]; then
   ENHANCD_ROOT="$(builtin cd "$(command dirname "${BASH_SOURCE}")" && pwd)"
 elif [[ -n ${ZSH_VERSION} ]]; then
   # ZSH
-  ENHANCD_ROOT="${${(%):-%x}:A:h}"
+  0="${ZERO:-${${0:#$ZSH_ARGZERO}:-${(%):-%N}}}"
+  0="${${(M)0:#/*}:-$PWD/$0}"
+  ENHANCD_ROOT="${0:A:h}"
   compdef _cd __enhancd::cd
 fi