diff --git a/internal/bulb/bulb.ha b/internal/bulb/bulb.ha
index 2ab0fe1..7a3d235 100644
--- a/internal/bulb/bulb.ha
+++ b/internal/bulb/bulb.ha
@@ -116,14 +116,16 @@ export fn post(input: io::handle, board: str, user_name: (str | void)) (void | e
 };
 
 export fn list(output: io::handle) (void | error) = {
-	for (let directory .. bulb_path) list_boards_in(output, directory)?;
+	for (let index = 0z; index < len(bulb_path); index += 1) {
+		list_boards_in(output, bulb_path[index])?;
+	};
 };
 
 export fn look_up_board(board: str) (str | no_such_board | invalid_board) = {
 	validate_board_name(board)?;
 	static let buf = path::buffer { ... };
-	for (let directory .. bulb_path) {
-		let location = path::set(&buf, directory, board)!;
+	for (let index = 0z; index < len(bulb_path); index += 1) {
+		let location = path::set(&buf, bulb_path[index], board)!;
 		match (os::stat(location)) {
 		case fs::filestat => return location;
 		case              => void;
@@ -150,8 +152,8 @@ export fn validate_board_name(board: str) (void | invalid_board) = {
 fn list_boards_in(output: io:: handle, directory: str) (void | error) = {
 	let entries = os::readdir(directory)?;
 	defer fs::dirents_free(entries);
-	for (let entry .. entries) {
-		fmt::fprintln(output, entry.name)?;
+	for (let index = 0z; index < len(entries); index += 1) {
+		fmt::fprintln(output, entries[index].name)?;
 	};
 };