diff --git a/Rakefile b/Rakefile
index dcf0c01..e50609f 100644
--- a/Rakefile
+++ b/Rakefile
@@ -14,7 +14,7 @@ APPLICATION = "application"
 FIRMWARES = [BOOTLOADER, APPLICATION]
 
 # which development board is used
-# supported are: SYSTEM_BOARD, MAPLE_MINI, BLUE_PILL, CORE_BOARD, STLINKV2_ALU, BUSVOODOO
+# supported are: SYSTEM_BOARD, MAPLE_MINI, BLUE_PILL, CORE_BOARD, STLINKV2, BUSVOODOO
 BOARD = ENV["BOARD"] || "CORE_BOARD"
 
 # libopencm3 definitions
diff --git a/application.c b/application.c
index b25dddb..5a119ae 100644
--- a/application.c
+++ b/application.c
@@ -41,7 +41,7 @@
 /* own libraries */
 #include "global.h" // board definitions
 #include "print.h" // printing utilities
-#if !defined(STLINKV2_ALU)
+#if !defined(STLINKV2)
 #include "uart.h" // USART utilities
 #endif
 #include "usb_cdcacm.h" // USB CDC ACM utilities
@@ -69,14 +69,14 @@ size_t putc(char c)
 	static char last_c = 0; // to remember on which character we last sent
 	if ('\n' == c) { // send carriage return (CR) + line feed (LF) newline for each LF
 		if ('\r' != last_c) { // CR has not already been sent
-#if !defined(STLINKV2_ALU)
+#if !defined(STLINKV2)
 			uart_putchar_nonblocking('\r'); // send CR over USART
 #endif
 			usb_cdcacm_putchar('\r'); // send CR over USB
 			length++; // remember we printed 1 character
 		}
 	}
-#if !defined(STLINKV2_ALU)
+#if !defined(STLINKV2)
 	uart_putchar_nonblocking(c); // send byte over USART
 #endif
 	usb_cdcacm_putchar(c); // send byte over USB
@@ -322,7 +322,7 @@ void main(void)
 #endif
 
 	board_setup(); // setup board
-#if !defined(STLINKV2_ALU)
+#if !defined(STLINKV2)
 	uart_setup(); // setup USART (for printing)
 #endif
 	usb_cdcacm_setup(); // setup USB CDC ACM (for printing)
@@ -342,7 +342,7 @@ void main(void)
 
 	// setup RTC
 	printf("setup internal RTC: ");
-#if defined(BLUE_PILL) || defined(STLINKV2_ALU) // for boards without a Low Speed External oscillator
+#if defined(BLUE_PILL) || defined(STLINKV2) // for boards without a Low Speed External oscillator
 	// note: the blue pill LSE oscillator is affected when toggling the onboard LED, thus prefer the HSE
 	rtc_auto_awake(RCC_HSE, 8000000 / 128 - 1); // use High Speed External oscillator (8 MHz / 128) as RTC clock (VBAT can't be used to keep the RTC running)
 #else // for boards with an precise Low Speed External oscillator
diff --git a/global.h b/global.h
index d44627c..e4cd72a 100644
--- a/global.h
+++ b/global.h
@@ -625,7 +625,7 @@
 	#define LED_PORT B /**< GPIO port (port B on maple mini) */
 	#define LED_PIN 1 /**< GPIO pin (pin PB1 on maple mini) */
 	#define LED_ON 1 /**< LED is on when pin is high */
-#elif defined (STLINKV2_ALU) // it's actually a STM32F101, but it seems to have all STM32F103 features
+#elif defined (STLINKV2) // it's actually a STM32F101, but it seems to have all STM32F103 features
 	/* on ST-Link V2 clone dongle in aluminum case LED is on pin PA9 (remap USART1_TX if used) */
 	#define LED_PORT A /**< GPIO port (port A) */
 	#define LED_PIN 9 /**< GPIO pin (pin PA9) */