diff --git a/Rakefile b/Rakefile
index 449c944..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"] || "BLUE_PILL"
+BOARD = ENV["BOARD"] || "BLACK_PILL"
 
 # libopencm3 definitions
 LIBOPENCM3_DIR = "libopencm3"