diff --git a/tests/unittests/Makefile b/tests/unittests/Makefile
index 723e7d9201..0e2705b224 100644
--- a/tests/unittests/Makefile
+++ b/tests/unittests/Makefile
@@ -2,7 +2,7 @@ APPLICATION = unittests
 include ../Makefile.tests_common
 
 BOARD_INSUFFICIENT_MEMORY := airfy-beacon cc2650stk chronos msb-430 msb-430h pca10000 \
-                          pca10005 spark-core stm32f0discovery \
+                          pca10005 spark-core stm32f0discovery stm32f3discovery \
                           telosb wsn430-v1_3b wsn430-v1_4 z1 nucleo-f103 \
                           nucleo-f334 yunjia-nrf51822 samr21-xpro \
                           arduino-mega2560 airfy-beacon nrf51dongle nrf6310 \