diff --git a/include/libopencm3/stm32/f3/memorymap.h b/include/libopencm3/stm32/f3/memorymap.h
index 0979e0c2..369192e3 100644
--- a/include/libopencm3/stm32/f3/memorymap.h
+++ b/include/libopencm3/stm32/f3/memorymap.h
@@ -93,6 +93,8 @@
 #define GPIO_PORT_D_BASE		(PERIPH_BASE_AHB2 + 0x0C00)
 #define GPIO_PORT_E_BASE		(PERIPH_BASE_AHB2 + 0x1000)
 #define GPIO_PORT_F_BASE		(PERIPH_BASE_AHB2 + 0x1400)
+#define GPIO_PORT_G_BASE		(PERIPH_BASE_AHB2 + 0x1800)
+#define GPIO_PORT_H_BASE		(PERIPH_BASE_AHB2 + 0x1C00)
 
 
 /* AHB1 */