diff --git a/src/laser_diode/max5719.rs b/src/laser_diode/max5719.rs
index 0554398..dd50684 100644
--- a/src/laser_diode/max5719.rs
+++ b/src/laser_diode/max5719.rs
@@ -9,7 +9,7 @@ pub const SPI_MODE: spi::Mode = spi::Mode {
     polarity: spi::Polarity::IdleLow,
     phase: spi::Phase::CaptureOnFirstTransition,
 };
-pub const SPI_CLOCK_MHZ: MegahertzU32 = MegahertzU32::from_raw(30);
+pub const SPI_CLOCK_MHZ: MegahertzU32 = MegahertzU32::from_raw(10);
 
 pub const MAX_VALUE: u32 = 0xFFFFF;