diff --git a/common/readutmp_nix.c.v b/common/readutmp_nix.c.v
index 57ce4718..71d9b9be 100644
--- a/common/readutmp_nix.c.v
+++ b/common/readutmp_nix.c.v
@@ -47,8 +47,8 @@ pub const wtmp_file_charptr = &char(C._PATH_WTMP)
 
 // Options for read_utmp.
 pub enum ReadUtmpOptions {
-	undefined = 0
-	check_pids = 1
+	undefined    = 0
+	check_pids   = 1
 	user_process = 2
 }
 
diff --git a/src/[/left_bracket.c.v b/src/[/left_bracket.c.v
index 8d064693..92286955 100644
--- a/src/[/left_bracket.c.v
+++ b/src/[/left_bracket.c.v
@@ -214,7 +214,7 @@ fn (p Parser) get() ?string {
 	return none
 }
 
-fn test_unary(option byte, arg string) bool {
+fn test_unary(option u8, arg string) bool {
 	match option {
 		`b` {
 			return os.exists(arg) && FileType(os.inode(arg).typ) == .block_device
diff --git a/src/base64/base64.v b/src/base64/base64.v
index cb7bd263..0496626e 100644
--- a/src/base64/base64.v
+++ b/src/base64/base64.v
@@ -17,7 +17,7 @@ const (
 	// more than 3/4 of chunk_size_decode
 	buffer_size_decode = 16 * 1024
 
-	newline            = []byte{len: 1, init: `\n`}
+	newline            = []u8{len: 1, init: `\n`}
 )
 
 fn get_file(args []string) os.File {
diff --git a/src/echo/echo.v b/src/echo/echo.v
index 00e91b40..fb73a5b9 100644
--- a/src/echo/echo.v
+++ b/src/echo/echo.v
@@ -21,7 +21,7 @@ fn hex_to_byte(c u8) u8 {
 	}
 }
 
-fn is_octal_char(c byte) bool {
+fn is_octal_char(c u8) bool {
 	return `0` <= c && c <= `7`
 }
 
diff --git a/src/ls/helper.v b/src/ls/helper.v
index 02f689e3..c8f1635e 100644
--- a/src/ls/helper.v
+++ b/src/ls/helper.v
@@ -4,7 +4,7 @@ const (
 
 // Based on the exit status of actual ls
 enum EXIT_STATUS {
-	success = 0
+	success   = 0
 	minor_err = 1
 	major_err = 2
 }
diff --git a/src/test/test.c.v b/src/test/test.c.v
index 8d064693..92286955 100644
--- a/src/test/test.c.v
+++ b/src/test/test.c.v
@@ -214,7 +214,7 @@ fn (p Parser) get() ?string {
 	return none
 }
 
-fn test_unary(option byte, arg string) bool {
+fn test_unary(option u8, arg string) bool {
 	match option {
 		`b` {
 			return os.exists(arg) && FileType(os.inode(arg).typ) == .block_device
diff --git a/src/wc/wc.v b/src/wc/wc.v
index 0779bc55..44650c3f 100644
--- a/src/wc/wc.v
+++ b/src/wc/wc.v
@@ -67,7 +67,7 @@ fn get_count(chunk FileChunk) Count {
 	return count
 }
 
-fn is_space(b byte) bool {
+fn is_space(b u8) bool {
 	return b == new_line || b == space || b == tab || b == carriage_return || b == vertical_tab
 		|| b == form_feed
 }