diff --git a/install b/install
index 5a7e72c..fd08a9c 100755
--- a/install
+++ b/install
@@ -13,3 +13,5 @@ git -C "${DOTBOT_DIR}" submodule sync --quiet --recursive
 git submodule update --init --recursive "${DOTBOT_DIR}"
 
 "${BASEDIR}/${DOTBOT_DIR}/${DOTBOT_BIN}" -d "${BASEDIR}" -c "${CONFIG}" "${@}"
+
+! command -v zsh >/dev/null 2>&1 || exec zsh