diff --git a/firmware/lux.cpp b/firmware/lux.cpp
index 1d9a0a6..3b3e95d 100644
--- a/firmware/lux.cpp
+++ b/firmware/lux.cpp
@@ -34,7 +34,7 @@ extern "C" void lux_task(void *pvParameters) {
 
     while(1) {
         spi_transfer_8(1, cnt++);
-        for(volatile int i = 0; i < 1000000; i++);
+        for(volatile int i = 0; i < 100; i++);
         spi_transfer_8(1, 0x00);
 
         vTaskDelay(1000/portTICK_PERIOD_MS);