diff --git a/compiler/fn.v b/compiler/fn.v
index 54334ca30e..78300b3a62 100644
--- a/compiler/fn.v
+++ b/compiler/fn.v
@@ -345,10 +345,10 @@ fn (p mut Parser) fn_decl() {
 		p.genln('init_consts();')
 		if p.table.imports.contains('os') {
 			if f.name == 'main' {
-				p.genln('os__init_os_args(argc, argv);')
+				p.genln('os__args = os__init_os_args(argc, argv);')
 			}
 			else if f.name == 'WinMain' {
-				p.genln('os__parse_windows_cmd_line(pCmdLine);')
+				p.genln('os__args = os__parse_windows_cmd_line(pCmdLine);')
 			}
 		}
 		// We are in live code reload mode, call the .so loader in bg
diff --git a/compiler/table.v b/compiler/table.v
index 7b50e18de5..fb8f02318c 100644
--- a/compiler/table.v
+++ b/compiler/table.v
@@ -453,6 +453,9 @@ fn (p mut Parser) _check_types(got, expected string, throw bool) bool {
 	if got.eq('int') && expected.eq('byte') {
 		return true
 	}
+	if got.eq('byteptr') && expected.eq('byte*') {
+		return true
+	}
 	if got.eq('int') && expected.eq('byte*') {
 		return true
 	}
diff --git a/os/os.v b/os/os.v
index 7a069137f2..9cb1451a26 100644
--- a/os/os.v
+++ b/os/os.v
@@ -21,24 +21,21 @@ import const (
 	SEEK_END
 )
 
-fn init_os_args(argc int, c voidptr) []string {
+fn init_os_args(argc int, _argv *byteptr) []string {
 	mut args := []string
-	# char** argv = (char**) c;
+	# char** argv = (char**) _argv;
 	for i := 0; i < argc; i++ {
-		// # printf("ARG %d = '%s'\n", i, argv[i]);
 		arg := ''
-		# arg = tos(argv[i], strlen(argv[i]));
+		//arg := tos(argv[i], strlen(argv[i])) 
+		# arg = tos((char**)(argv[i]), strlen((char**)(argv[i])));
 		args << arg
 	}
-	# os__args = args;
 	return args
 }
 
-fn parse_windows_cmd_line(cmd byteptr) {
+fn parse_windows_cmd_line(cmd byteptr) []string {
 	s := tos2(cmd)
-	vals := s.split(' ')
-	println(vals)
-	# os__args = vals;
+	return s.split(' ')
 }
 
 fn C.ftell(fp voidptr) int