diff --git a/boards/base/Mikromedia-STM32-M4-ILI9341/example/Makefile b/boards/base/Mikromedia-STM32-M4-ILI9341/example/Makefile
index 1c314543..0ca152c6 100644
--- a/boards/base/Mikromedia-STM32-M4-ILI9341/example/Makefile
+++ b/boards/base/Mikromedia-STM32-M4-ILI9341/example/Makefile
@@ -153,6 +153,7 @@ LD   = $(TRGT)gcc
 CP   = $(TRGT)objcopy
 AS   = $(TRGT)gcc -x assembler-with-cpp
 OD   = $(TRGT)objdump
+SZ   = $(TRGT)size
 HEX  = $(CP) -O ihex
 BIN  = $(CP) -O binary
 
diff --git a/boards/base/Mikromedia-STM32-M4-ILI9341/example/mcuconf.h b/boards/base/Mikromedia-STM32-M4-ILI9341/example/mcuconf.h
index 64895943..c92d2970 100644
--- a/boards/base/Mikromedia-STM32-M4-ILI9341/example/mcuconf.h
+++ b/boards/base/Mikromedia-STM32-M4-ILI9341/example/mcuconf.h
@@ -29,6 +29,10 @@
  */
 
 #define STM32F4xx_MCUCONF
+#define STM32F40_41xxx
+
+// Define this if you are using an older ChibiOS version
+//#define STM32_VOS                          STM32_VOS_HIGH
 
 /*
  * HAL driver system settings.
@@ -57,7 +61,6 @@
 #define STM32_I2SSRC                        STM32_I2SSRC_CKIN
 #define STM32_PLLI2SN_VALUE                 192
 #define STM32_PLLI2SR_VALUE                 5
-#define STM32_VOS                           STM32_VOS_HIGH
 #define STM32_PVD_ENABLE                    FALSE
 #define STM32_PLS                           STM32_PLS_LEV0
 #define STM32_BKPRAM_ENABLE                 FALSE
diff --git a/boards/base/Olimex-SAM7EX256-GE8/example/Makefile b/boards/base/Olimex-SAM7EX256-GE8/example/Makefile
index b7b4da1c..e9fdde2d 100644
--- a/boards/base/Olimex-SAM7EX256-GE8/example/Makefile
+++ b/boards/base/Olimex-SAM7EX256-GE8/example/Makefile
@@ -136,6 +136,7 @@ LD   = $(TRGT)gcc
 CP   = $(TRGT)objcopy
 AS   = $(TRGT)gcc -x assembler-with-cpp
 OD   = $(TRGT)objdump
+SZ   = $(TRGT)size
 HEX  = $(CP) -O ihex
 BIN  = $(CP) -O binary