diff --git a/components/driver/spi_master.c b/components/driver/spi_master.c
index 6973a49adb..e5438a12c5 100644
--- a/components/driver/spi_master.c
+++ b/components/driver/spi_master.c
@@ -487,13 +487,13 @@ static inline SPI_MASTER_ISR_ATTR bool spi_bus_device_is_polling(spi_device_t *d
 -----------------------------------------------------------------------------*/
 
 // The interrupt may get invoked by the bus lock.
-static void spi_bus_intr_enable(void *host)
+static void SPI_MASTER_ISR_ATTR spi_bus_intr_enable(void *host)
 {
     esp_intr_enable(((spi_host_t*)host)->intr);
 }
 
 // The interrupt is always disabled by the ISR itself, not exposed
-static void spi_bus_intr_disable(void *host)
+static void SPI_MASTER_ISR_ATTR spi_bus_intr_disable(void *host)
 {
     esp_intr_disable(((spi_host_t*)host)->intr);
 }