@@ -55,11 +55,11 @@
 - (of_list_object_t*)append: (id)obj
 {
 	of_list_object_t *o;
 
 	o = [self allocMemoryWithSize: sizeof(of_list_object_t)];
-	o->object = obj;
+	o->object = [obj retain];
 	o->next = NULL;
 	o->prev = last;
 
 	if (last != NULL)
 		last->next = o;
@@ -78,11 +78,11 @@
 - (of_list_object_t*)prepend: (id)obj
 {
 	of_list_object_t *o;
 
 	o = [self allocMemoryWithSize: sizeof(of_list_object_t)];
-	o->object = obj;
+	o->object = [obj retain];
 	o->next = first;
 	o->prev = NULL;
 
 	if (first != NULL)
 		first->prev = o;
@@ -102,11 +102,11 @@
 		     before: (of_list_object_t*)listobj
 {
 	of_list_object_t *o;
 
 	o = [self allocMemoryWithSize: sizeof(of_list_object_t)];
-	o->object = obj;
+	o->object = [obj retain];
 	o->next = listobj;
 	o->prev = listobj->prev;
 
 	if (listobj->prev != NULL)
 		listobj->prev->next = o;
@@ -127,11 +127,11 @@
 		      after: (of_list_object_t*)listobj
 {
 	of_list_object_t *o;
 
 	o = [self allocMemoryWithSize: sizeof(of_list_object_t)];
-	o->object = obj;
+	o->object = [obj retain];
 	o->next = listobj->next;
 	o->prev = listobj;
 
 	if (listobj->next != NULL)
 		listobj->next->prev = o;
@@ -204,11 +204,11 @@
 	prev = NULL;
 
 	@try {
 		for (iter = first; iter != NULL; iter = iter->next) {
 			o = [new allocMemoryWithSize: sizeof(of_list_object_t)];
-			o->object = iter->object;
+			o->object = [iter->object retain];
 			o->next = NULL;
 			o->prev = prev;
 
 			if (new->first == NULL)
 				new->first = o;