diff --git a/src/docker/docker.v b/src/docker/docker.v
index a6f76409..07ceb8ed 100644
--- a/src/docker/docker.v
+++ b/src/docker/docker.v
@@ -28,8 +28,8 @@ fn send(req &string) ?http.Response {
 	s.wait_for_write() ?
 
 	mut c := 0
-	mut buf := []byte{len: docker.buf_len}
-	mut res := []byte{}
+	mut buf := []u8{len: docker.buf_len}
+	mut res := []u8{}
 
 	for {
 		c = s.read(mut buf) or { return error('Failed to read data from socket ${docker.socket}.') }
@@ -52,7 +52,7 @@ fn send(req &string) ?http.Response {
 
 	// We loop until we've encountered the end of the chunked response
 	// A chunked HTTP response always ends with '0\r\n\r\n'.
-	for res.len < 5 || res#[-5..] != [byte(`0`), `\r`, `\n`, `\r`, `\n`] {
+	for res.len < 5 || res#[-5..] != [u8(`0`), `\r`, `\n`, `\r`, `\n`] {
 		// Wait for the server to respond
 		s.wait_for_write() ?
 
diff --git a/src/repo/sync.v b/src/repo/sync.v
index e2b7aac7..12756b7f 100644
--- a/src/repo/sync.v
+++ b/src/repo/sync.v
@@ -19,7 +19,7 @@ fn archive_add_entry(archive &C.archive, entry &C.archive_entry, file_path &stri
 	}
 
 	// Write the file to the archive
-	buf := [8192]byte{}
+	buf := [8192]u8{}
 	mut len := C.read(fd, &buf, sizeof(buf))
 
 	for len > 0 {
diff --git a/src/util/util.v b/src/util/util.v
index 228f5845..c1af30ec 100644
--- a/src/util/util.v
+++ b/src/util/util.v
@@ -30,7 +30,7 @@ pub fn reader_to_file(mut reader io.BufferedReader, length int, path string) ? {
 		file.close()
 	}
 
-	mut buf := []byte{len: util.reader_buf_size}
+	mut buf := []u8{len: util.reader_buf_size}
 	mut bytes_left := length
 
 	// Repeat as long as the stream still has data
@@ -60,7 +60,7 @@ pub fn hash_file(path &string) ?(string, string) {
 	mut sha256sum := sha256.new()
 
 	buf_size := int(1_000_000)
-	mut buf := []byte{len: buf_size}
+	mut buf := []u8{len: buf_size}
 	mut bytes_left := os.file_size(path)
 
 	for bytes_left > 0 {
diff --git a/src/web/web.v b/src/web/web.v
index 688f854e..3e7b0478 100644
--- a/src/web/web.v
+++ b/src/web/web.v
@@ -285,7 +285,7 @@ pub fn (mut ctx Context) file(f_path string) Result {
 	resp.set_status(ctx.status)
 	send_string(mut ctx.conn, resp.bytestr()) or { return Result{} }
 
-	mut buf := []byte{len: 1_000_000}
+	mut buf := []u8{len: 1_000_000}
 	mut bytes_left := file_size
 
 	// Repeat as long as the stream still has data