diff --git a/right/src/slave_drivers/is31fl3731_driver.c b/right/src/slave_drivers/is31fl3731_driver.c
index 0ed41ad..de0f982 100644
--- a/right/src/slave_drivers/is31fl3731_driver.c
+++ b/right/src/slave_drivers/is31fl3731_driver.c
@@ -64,7 +64,7 @@ void LedSlaveDriver_Init(uint8_t ledDriverId) {
     currentLedDriverState->phase = LedDriverPhase_SetFunctionFrame;
     currentLedDriverState->ledIndex = 0;
     LedDriverStates[LedDriverId_Left].setupLedControlRegistersCommand[7] |= 0b00000010; // Enable the LED of the ISO key.
-    memset(currentLedDriverState->targetLedValues, 0xff, LED_DRIVER_LED_COUNT);
+    memset(currentLedDriverState->targetLedValues, 0x00, LED_DRIVER_LED_COUNT);
     SetLeds(0xff);
     LedDisplay_SetText(3, "ABC");
 }