diff --git a/install.sh b/install.sh
index 88b531c..9496fce 100755
--- a/install.sh
+++ b/install.sh
@@ -16,7 +16,7 @@ install_files() {
 	for f in "${source_dir}"/*; do
 		case "$(basename "$f")" in
 		dotfiles)
-			install_files "${target_dir}" "$f" .
+			(install_files "${target_dir}" "$f" .)
 			;;
 		*.jq)
 			tmpfile="$(mktemp)"
@@ -36,7 +36,7 @@ install_files() {
 			;;
 		*)
 			if [ -d "$f" ]; then
-				install_files "${target_dir}/${target_filename_prefix}$(basename "$f")" "$f"
+				(install_files "${target_dir}/${target_filename_prefix}$(basename "$f")" "$f")
 			else
 				cp -v "$f" "${target_dir}/${target_filename_prefix}$(basename "$f")"
 			fi