diff --git a/makefiles/tools/openocd-adapters/stlink.inc.mk b/makefiles/tools/openocd-adapters/stlink.inc.mk
index a9a37b9597..8ab05f56fc 100644
--- a/makefiles/tools/openocd-adapters/stlink.inc.mk
+++ b/makefiles/tools/openocd-adapters/stlink.inc.mk
@@ -28,6 +28,6 @@ ifeq (,$(OPENOCD_CONFIG))
   # if no openocd default configuration is provided by the board,
   # use the STM32 common one
   ifeq (0,$(words $(wildcard $(BOARDDIR)/dist/openocd.cfg)))
-    OPENOCD_CONFIG = $(RIOTBASE)/boards/common/stm32/dist/$(CPU_FAM).cfg
+    OPENOCD_CONFIG = $(RIOTBASE)/boards/common/stm32/dist/stm32$(CPU_FAM).cfg
   endif
 endif