diff --git a/PKGBUILD b/PKGBUILD
index d1e0889..ca76813 100644
--- a/PKGBUILD
+++ b/PKGBUILD
@@ -23,8 +23,8 @@ package() {
 	cp "${srcdir}/template" "${pkgdir}/usr/share/msynk/template"
 	chmod +x "${pkgdir}/usr/share/msynk/template"
 
-	# if using zsh
-	if [[ -n $ZSH_VERSION ]]; then
+	# if has zsh
+	if [[ -f /bin/zsh ]]; then
 		mkdir -p "${pkgdir}/usr/share/zsh/site-functions"
 		cp "${srcdir}/_msynk.compdef.zsh" "${pkgdir}/usr/share/zsh/site-functions/_msynk"
 		chmod +x "${pkgdir}/usr/share/zsh/site-functions/_msynk"