diff --git a/boards/stm32f429i-disc1/Makefile.include b/boards/stm32f429i-disc1/Makefile.include
index 1c1c84ed83ef..f1c62ff7a463 100644
--- a/boards/stm32f429i-disc1/Makefile.include
+++ b/boards/stm32f429i-disc1/Makefile.include
@@ -10,6 +10,7 @@ include $(RIOTMAKE)/tools/serial.inc.mk
 
 # this board has an on-board ST-link adapter
 DEBUG_ADAPTER ?= stlink
+STLINK_VERSION ?= 2
 
 # this board uses openocd
 include $(RIOTMAKE)/tools/openocd.inc.mk