diff --git a/Rakefile b/Rakefile
index 59a1336..d3f4871 100644
--- a/Rakefile
+++ b/Rakefile
@@ -15,7 +15,7 @@ FIRMWARES = [BOOTLOADER, APPLICATION]
 
 # which development board is used
 # supported are: SYSTEM_BOARD, MAPLE_MINI, BLUE_PILL, BLACK_PILL, CORE_BOARD, STLINKV2, BLASTER, BUSVOODOO
-BOARD = ENV["BOARD"] || "CORE_BOARD"
+BOARD = ENV["BOARD"] || "BLACK_PILL"
 
 # libopencm3 definitions
 LIBOPENCM3_DIR = "libopencm3"
@@ -184,7 +184,7 @@ end
 
 # SWD/JTAG adapter used
 # supported are : STLINKV2 (ST-Link V2), BMP (Black Magic Probe)
-SWD_ADAPTER = ENV["SWD_ADAPTER"] || "BMP"
+SWD_ADAPTER = ENV["SWD_ADAPTER"] || "STLINKV2"
 # openOCD path to control the adapter
 OOCD = ENV["OOCD"] || "openocd"
 # openOCD adapted name