diff --git a/include/netlink/cache.h b/include/netlink/cache.h
index 61f94dd..e17b015 100644
--- a/include/netlink/cache.h
+++ b/include/netlink/cache.h
@@ -65,6 +65,8 @@ extern int			nl_cache_include(struct nl_cache *,
 						 struct nl_object *,
 						 change_func_t,
 						 void *);
+extern void			nl_cache_set_arg1(struct nl_cache *, int);
+extern void			nl_cache_set_arg2(struct nl_cache *, int);
 
 /* General */
 extern int			nl_cache_is_empty(struct nl_cache *);
diff --git a/lib/cache.c b/lib/cache.c
index ece354c..7afa42e 100644
--- a/lib/cache.c
+++ b/lib/cache.c
@@ -462,6 +462,32 @@ void nl_cache_remove(struct nl_object *obj)
  * @{
  */
 
+/**
+ * Set synchronization arg1 of cache
+ * @arg cache		Cache
+ * @arg arg		argument
+ *
+ * Synchronization arguments are used to specify filters when
+ * requesting dumps from the kernel.
+ */
+void nl_cache_set_arg1(struct nl_cache *cache, int arg)
+{
+        cache->c_iarg1 = arg;
+}
+
+/**
+ * Set synchronization arg2 of cache
+ * @arg cache		Cache
+ * @arg arg		argument
+ *
+ * Synchronization arguments are used to specify filters when
+ * requesting dumps from the kernel.
+ */
+void nl_cache_set_arg2(struct nl_cache *cache, int arg)
+{
+        cache->c_iarg2 = arg;
+}
+
 /**
  * Invoke the request-update operation
  * @arg sk		Netlink socket.