diff --git a/boards/hex/cube-orange/nuttx-config/include/board.h b/boards/hex/cube-orange/nuttx-config/include/board.h
index 43bffee616..ab7ef2d526 100644
--- a/boards/hex/cube-orange/nuttx-config/include/board.h
+++ b/boards/hex/cube-orange/nuttx-config/include/board.h
@@ -250,15 +250,17 @@
 #define GPIO_CAN2_TX     GPIO_CAN2_TX_2        /* PB6 */
 
 /* SPI */
-#define GPIO_SPI1_SCK    GPIO_SPI1_SCK_1    /* PA5 */
+#define ADJ_SLEW_RATE(p) (((p) & ~GPIO_SPEED_MASK) | (GPIO_SPEED_2MHz))
+
+#define GPIO_SPI1_SCK    ADJ_SLEW_RATE(GPIO_SPI1_SCK_1) /* PA5 */
 #define GPIO_SPI1_MISO   GPIO_SPI1_MISO_1   /* PA6 */
 #define GPIO_SPI1_MOSI   GPIO_SPI1_MOSI_1   /* PA7 */
 
-#define GPIO_SPI2_SCK    GPIO_SPI2_SCK_4    /* PB13 */
+#define GPIO_SPI2_SCK    ADJ_SLEW_RATE(GPIO_SPI2_SCK_4) /* PB13 */
 #define GPIO_SPI2_MISO   GPIO_SPI2_MISO_1   /* PB14 */
 #define GPIO_SPI2_MOSI   GPIO_SPI2_MOSI_1   /* PB15 */
 
-#define GPIO_SPI4_SCK    GPIO_SPI4_SCK_2    /* PE2 */
+#define GPIO_SPI4_SCK    ADJ_SLEW_RATE(GPIO_SPI4_SCK_2) /* PE2 */
 #define GPIO_SPI4_MISO   GPIO_SPI4_MISO_2   /* PE5 */
 #define GPIO_SPI4_MOSI   GPIO_SPI4_MOSI_2   /* PE6 */