diff --git a/vlib/compiler/fn.v b/vlib/compiler/fn.v
index 39736e09f0..78c1ab900e 100644
--- a/vlib/compiler/fn.v
+++ b/vlib/compiler/fn.v
@@ -664,7 +664,7 @@ fn (p mut Parser) async_fn_call(f Fn, method_ph int, receiver_var, receiver_type
 		p.genln(' CreateThread(0,0, $wrapper_name, $parg, 0,0);')
 	}
 	else {
-		p.genln('int $tmp2 = pthread_create(& $thread_name, NULL, $wrapper_name, $parg);')
+		p.genln('int $tmp2 = pthread_create(& $thread_name, NULL, (void *)$wrapper_name, $parg);')
 	}
 	p.check(.rpar)
 }
diff --git a/vlib/compiler/live.v b/vlib/compiler/live.v
index e8dc83f89b..963d201461 100644
--- a/vlib/compiler/live.v
+++ b/vlib/compiler/live.v
@@ -56,7 +56,7 @@ fn (v &V) generate_hotcode_reloading_main_caller() {
 		cgen.genln('  char *live_library_name = "$so_name";')
 		cgen.genln('  load_so(live_library_name);')
 		cgen.genln('  pthread_t _thread_so;')
-		cgen.genln('  pthread_create(&_thread_so , NULL, &reload_so, live_library_name);')
+		cgen.genln('  pthread_create(&_thread_so , NULL, (void *)&reload_so, live_library_name);')
 	} else {
 		// windows:
 		so_name := file_base + if v.pref.ccompiler == 'msvc' {'.dll'} else {'.so'}