diff --git a/tests/usbus_cdc_ecm/Makefile b/tests/usbus_cdc_ecm/Makefile
index f632e5d40c..1bea28402a 100644
--- a/tests/usbus_cdc_ecm/Makefile
+++ b/tests/usbus_cdc_ecm/Makefile
@@ -9,4 +9,13 @@ USEMODULE += shell
 USEMODULE += shell_cmds_default
 USEMODULE += ps
 
+# Boards that don't have enough endpoints to use CDC ACM together with CDC ECM
+BOARD_BLACKLIST += \
+  stm32f429i-disco \
+  stm32f4discovery \
+  weact-f401cc \
+  weact-f401ce \
+  weact-f411ce \
+  #
+
 include $(RIOTBASE)/Makefile.include