diff --git a/memory_spi/memory_spi.c b/memory_spi/memory_spi.c
index 542f47e..aa91763 100644
--- a/memory_spi/memory_spi.c
+++ b/memory_spi/memory_spi.c
@@ -65,7 +65,11 @@ void MEMSPI_Base_Init(MEMSPI_HandleTypeDef *hmemspi, SPI_HandleTypeDef *hspi)
   GPIO_InitStruct.Pin = hmemspi->CS_PIN;
   GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP;
   GPIO_InitStruct.Pull = GPIO_PULLDOWN;
+#ifdef GPIO_SPEED_FREQ_VERY_HIGH
   GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_VERY_HIGH;
+#else
+  GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_HIGH;
+#endif
   HAL_GPIO_Init(hmemspi->CS_GPIOx, &GPIO_InitStruct);
   MEMSPI_Deselect(hmemspi);