diff --git a/include/libopencm3/stm32/f4/memorymap.h b/include/libopencm3/stm32/f4/memorymap.h
index 0a22ad4b..76258382 100644
--- a/include/libopencm3/stm32/f4/memorymap.h
+++ b/include/libopencm3/stm32/f4/memorymap.h
@@ -75,8 +75,9 @@
 #define USART6_BASE			(PERIPH_BASE_APB2 + 0x1400)
 /* PERIPH_BASE_APB2 + 0x1800 (0x4001 1800 - 0x4001 1FFF): Reserved */
 #define ADC1_BASE			(PERIPH_BASE_APB2 + 0x2000)
-#define ADC2_BASE			(PERIPH_BASE_APB2 + 0x2000)
-#define ADC3_BASE			(PERIPH_BASE_APB2 + 0x2000)
+#define ADC2_BASE			(PERIPH_BASE_APB2 + 0x2100)
+#define ADC3_BASE			(PERIPH_BASE_APB2 + 0x2200)
+#define ADC_COMMON_BASE			(PERIPH_BASE_APB2 + 0x2300)
 /* PERIPH_BASE_APB2 + 0x2400 (0x4001 2400 - 0x4001 27FF): Reserved */
 #define SDIO_BASE			(PERIPH_BASE_APB2 + 0x2800)
 /* PERIPH_BASE_APB2 + 0x2C00 (0x4001 2C00 - 0x4001 2FFF): Reserved */