diff --git a/include/libopencm3/stm32/l4/memorymap.h b/include/libopencm3/stm32/l4/memorymap.h
index 7d0f310b..2510466c 100644
--- a/include/libopencm3/stm32/l4/memorymap.h
+++ b/include/libopencm3/stm32/l4/memorymap.h
@@ -105,8 +105,7 @@
 #define GPIO_PORT_G_BASE		(PERIPH_BASE_AHB2 + 0x1800)
 #define GPIO_PORT_H_BASE		(PERIPH_BASE_AHB2 + 0x1c00)
 /* Still AHB2, good job ST */
-#define OTG_FS_BASE			(0x50000000U + 0x00000)
-#define USB_OTG_FS_BASE     OTG_FS_BASE
+#define USB_OTG_FS_BASE		(0x50000000U + 0x00000)
 #define ADC1_BASE			(0x50000000U + 0x40000)
 #define AES_BASE			(0x50000000U + 0x60000)
 #define RNG_BASE			(0x50000000U + 0x60800)