diff --git a/core/include/blue/core/type.h b/core/include/blue/core/type.h
index 4559bd5..b486b9e 100644
--- a/core/include/blue/core/type.h
+++ b/core/include/blue/core/type.h
@@ -24,10 +24,15 @@ typedef const union b_type {
 	unsigned char b[16];
 } *b_type;
 
+typedef enum b_type_flags {
+	B_TYPE_F_ABSTRACT = 0x01u,
+} b_type_flags;
+
 typedef struct b_type_info {
 	union b_type t_id;
 	union b_type t_parent_id;
 	const char *t_name;
+	b_type_flags t_flags;
 	union b_type t_interfaces[B_TYPE_MAX_INTERFACES];
 	size_t t_nr_interfaces;
 	size_t t_class_size;
diff --git a/core/type.c b/core/type.c
index ec04409..79ebbee 100644
--- a/core/type.c
+++ b/core/type.c
@@ -208,8 +208,9 @@ static b_result find_type_components(struct b_type_registration *reg)
 		comp = b_type_get_component(&reg->r_components, current_id);
 		if (comp) {
 			/* circular class dependency */
-			result = B_RESULT_ERR(INVALID_ARGUMENT);
-			break;
+			// result = B_RESULT_ERR(INVALID_ARGUMENT);
+			// break;
+			continue;
 		}
 
 		comp = create_type_component(dep_class);
@@ -227,6 +228,8 @@ static b_result find_type_components(struct b_type_registration *reg)
 		if (b_type_id_compare(current_id, B_TYPE_OBJECT) == 0) {
 			break;
 		}
+
+		current_id = &dep_class->r_info->t_parent_id;
 	}
 
 	b_queue_iterator q_it;