diff --git a/tests/usbus_cdc_ecm/Makefile b/tests/usbus_cdc_ecm/Makefile
index fc1a96e1e4..b25c9e7699 100644
--- a/tests/usbus_cdc_ecm/Makefile
+++ b/tests/usbus_cdc_ecm/Makefile
@@ -12,6 +12,7 @@ USEMODULE += ps
 # Boards that don't have enough endpoints to use CDC ACM together with CDC ECM
 ifeq (,$(filter stdio_%,$(filter-out stdio_cdc_acm,$(USEMODULE))))
   BOARD_BLACKLIST += \
+    stm32f429i-disco \
     stm32f4discovery \
     weact-f401cc \
     weact-f401ce \