diff --git a/sys/net/gnrc/network_layer/ipv6/ext/gnrc_ipv6_ext.c b/sys/net/gnrc/network_layer/ipv6/ext/gnrc_ipv6_ext.c
index 441b646e96..f7d23d9981 100644
--- a/sys/net/gnrc/network_layer/ipv6/ext/gnrc_ipv6_ext.c
+++ b/sys/net/gnrc/network_layer/ipv6/ext/gnrc_ipv6_ext.c
@@ -295,7 +295,7 @@ gnrc_pktsnip_t *gnrc_ipv6_ext_build(gnrc_pktsnip_t *ipv6, gnrc_pktsnip_t *next,
         }
     }
 
-    snip = gnrc_pktbuf_add(next, NULL, size, GNRC_NETTYPE_IPV6);
+    snip = gnrc_pktbuf_add(next, NULL, size, GNRC_NETTYPE_IPV6_EXT);
 
     if (snip == NULL) {
         return NULL;