diff --git a/src/main/drivers/accgyro_l3gd20.c b/src/main/drivers/accgyro_l3gd20.c
index 6cc0b9ae99..1400e00148 100644
--- a/src/main/drivers/accgyro_l3gd20.c
+++ b/src/main/drivers/accgyro_l3gd20.c
@@ -86,7 +86,7 @@ static void l3gd20SpiInit(SPI_TypeDef *SPIx)
     spiSetDivisor(L3GD20_SPI, SPI_9MHZ_CLOCK_DIVIDER);
 }
 
-void l3gd20GyroInit(uint16_t lpf)
+void l3gd20GyroInit(uint8_t lpf)
 {
     UNUSED(lpf); // FIXME use it!