diff --git a/vlib/v/builder/builder.v b/vlib/v/builder/builder.v
index 6ba346eef5..d4bbccba6c 100644
--- a/vlib/v/builder/builder.v
+++ b/vlib/v/builder/builder.v
@@ -33,11 +33,10 @@ pub fn new_builder(pref &pref.Preferences) Builder {
 	compiled_dir := if os.is_dir(rdir) { rdir } else { os.dir(rdir) }
 	table := table.new_table()
 	if pref.use_color == .always {
-		// TODO
-		//util.emanager.set_support_color(true)
+		util.emanager.set_support_color(true)
 	}
 	if pref.use_color == .never {
-		//util.emanager.set_support_color(false)
+		util.emanager.set_support_color(false)
 	}
 	msvc := find_msvc() or {
 		if pref.ccompiler == 'msvc' {
diff --git a/vlib/v/util/errors.v b/vlib/v/util/errors.v
index 660fb18180..ed65b382cb 100644
--- a/vlib/v/util/errors.v
+++ b/vlib/v/util/errors.v
@@ -39,8 +39,11 @@ pub fn new_error_manager() &EManager {
 	}
 }
 
-pub fn (mut e EManager) set_support_color(b bool) {
-	e.support_color = b
+pub fn (e &EManager) set_support_color(b bool) {
+	unsafe {
+		mut me := e
+		me.support_color = b
+	}        
 }
 
 fn bold(msg string) string {