diff --git a/tests/gnrc_udp/Makefile b/tests/gnrc_udp/Makefile
index 5ffad9ba69..1c98aef23a 100644
--- a/tests/gnrc_udp/Makefile
+++ b/tests/gnrc_udp/Makefile
@@ -1,21 +1,22 @@
 include ../Makefile.tests_common
 
-BOARD_INSUFFICIENT_MEMORY := arduino-duemilanove arduino-leonardo \
+BOARD_INSUFFICIENT_MEMORY := airfy-beacon arduino-duemilanove arduino-leonardo \
                              arduino-mega2560 arduino-nano \
                              arduino-uno calliope-mini chronos hifive1 hifive1b \
-                             i-nucleo-lrwan1 \
-                             mega-xplained microbit msb-430 msb-430h \
+                             i-nucleo-lrwan1 mega-xplained microbit msb-430 \
+                             msb-430h nrf51dongle nrf6310 \
                              nucleo-f031k6 nucleo-f042k6 nucleo-f303k8 \
                              nucleo-l031k6 nucleo-f030r8 nucleo-f070rb \
                              nucleo-f072rb nucleo-f103rb nucleo-f302r8 \
-                             nucleo-f334r8 nucleo-l053r8 spark-core \
-                             stm32f0discovery stm32l0538-disco telosb \
-                             waspmote-pro wsn430-v1_3b \
-                             wsn430-v1_4 z1
+                             nucleo-f334r8 nucleo-l053r8 saml10-xpro \
+                             saml11-xpro spark-core stm32f0discovery \
+                             stm32l0538-disco telosb waspmote-pro wsn430-v1_3b \
+                             wsn430-v1_4 yunjia-nrf51822 z1
 
 USEMODULE += gnrc_netdev_default
 USEMODULE += auto_init_gnrc_netif
 USEMODULE += gnrc_ipv6_router_default
+USEMODULE += gnrc_ipv6_ext_frag
 USEMODULE += gnrc_pktbuf_cmd
 USEMODULE += gnrc_udp
 USEMODULE += gnrc_rpl
@@ -28,6 +29,8 @@ USEMODULE += ps
 USEMODULE += netstats_l2
 USEMODULE += netstats_ipv6
 
+CFLAGS += -DGNRC_PKTBUF_SIZE=8192
+
 include $(RIOTBASE)/Makefile.include
 
 # Set a custom channel if needed