ccodegen: Use unsigned default value for flags-enum

1 files changed, 6 insertions, 1 deletions

diff --git a/codegen/valaccodeattribute.vala b/codegen/valaccodeattribute.vala
index e41a75ca0..5615eb618 100644
--- a/codegen/valaccodeattribute.vala
+++ b/codegen/valaccodeattribute.vala
@@ -1374,7 +1374,12 @@ public class Vala.CCodeAttribute : AttributeCache {
 
 	private string get_default_default_value () {
 		if (sym is Enum) {
-			return "0";
+			unowned Enum en = (Enum) sym;
+			if (en.is_flags) {
+				return "0U";
+			} else {
+				return "0";
+			}
 		} else if (sym is Struct) {
 			unowned Struct st = (Struct) sym;
 			unowned Struct? base_st = st.base_struct;