diff --git a/boards/arm/stm32f7/stm32f746g-disco/include/board.h b/boards/arm/stm32f7/stm32f746g-disco/include/board.h
index 09a698dfacf..6bfed5ab67e 100644
--- a/boards/arm/stm32f7/stm32f746g-disco/include/board.h
+++ b/boards/arm/stm32f7/stm32f746g-disco/include/board.h
@@ -573,5 +573,8 @@
 #define GPIO_FMC_D13          (GPIO_FMC_D13_0|GPIO_SPEED_100MHz)
 #define GPIO_FMC_D14          (GPIO_FMC_D14_0|GPIO_SPEED_100MHz)
 #define GPIO_FMC_D15          (GPIO_FMC_D15_0|GPIO_SPEED_100MHz)
+#define GPIO_FMC_SDCKE0       (GPIO_FMC_SDCKE0_1|GPIO_SPEED_100MHz)
+#define GPIO_FMC_SDNE0        (GPIO_FMC_SDNE0_3|GPIO_SPEED_100MHz)
+#define GPIO_FMC_SDNWE        (GPIO_FMC_SDNWE_3|GPIO_SPEED_100MHz)
 
 #endif  /* __BOARDS_ARM_STM32F7_STM32F746G_DISCO_INCLUDE_BOARD_H */
diff --git a/boards/arm/stm32f7/stm32f746g-disco/src/stm32_extmem.c b/boards/arm/stm32f7/stm32f746g-disco/src/stm32_extmem.c
index 304615cac11..54725f982f9 100644
--- a/boards/arm/stm32f7/stm32f746g-disco/src/stm32_extmem.c
+++ b/boards/arm/stm32f7/stm32f746g-disco/src/stm32_extmem.c
@@ -90,7 +90,7 @@ static const uint32_t g_addressconfig[STM32_FMC_NADDRCONFIGS] =
   GPIO_FMC_A5,  GPIO_FMC_A6,  GPIO_FMC_A7,  GPIO_FMC_A8,  GPIO_FMC_A9,
   GPIO_FMC_A10, GPIO_FMC_A11,
 
-  GPIO_FMC_SDCKE0_1, GPIO_FMC_SDNE0_3, GPIO_FMC_SDNWE_3, GPIO_FMC_NBL0,
+  GPIO_FMC_SDCKE0, GPIO_FMC_SDNE0, GPIO_FMC_SDNWE, GPIO_FMC_NBL0,
   GPIO_FMC_SDNRAS, GPIO_FMC_NBL1,  GPIO_FMC_BA0,   GPIO_FMC_BA1,
   GPIO_FMC_SDCLK,  GPIO_FMC_SDNCAS
 };
diff --git a/boards/arm/stm32f7/stm32f769i-disco/src/stm32_extmem.c b/boards/arm/stm32f7/stm32f769i-disco/src/stm32_extmem.c
index 781bfb6e95b..7bbf0a89a1f 100644
--- a/boards/arm/stm32f7/stm32f769i-disco/src/stm32_extmem.c
+++ b/boards/arm/stm32f7/stm32f769i-disco/src/stm32_extmem.c
@@ -76,8 +76,8 @@ static const uint32_t g_addressconfig[STM32_FMC_NADDRCONFIGS] =
   GPIO_FMC_A10, GPIO_FMC_A11, GPIO_FMC_A12,
 
   GPIO_FMC_NBL0, GPIO_FMC_NBL1, GPIO_FMC_NBL2, GPIO_FMC_NBL3, GPIO_FMC_BA0,
-  GPIO_FMC_BA1, GPIO_FMC_SDNWE_3, GPIO_FMC_SDNCAS, GPIO_FMC_SDNRAS,
-  GPIO_FMC_SDNE0_3, GPIO_FMC_SDCKE0_3, GPIO_FMC_SDCLK
+  GPIO_FMC_BA1, GPIO_FMC_SDNWE, GPIO_FMC_SDNCAS, GPIO_FMC_SDNRAS,
+  GPIO_FMC_SDNE0, GPIO_FMC_SDCKE0, GPIO_FMC_SDCLK
 };
 
 static const uint32_t g_dataconfig[STM32_FMC_NDATACONFIGS] =