diff --git a/firmware/common/si5351c.c b/firmware/common/si5351c.c
index 0dc48331..84cfeea7 100644
--- a/firmware/common/si5351c.c
+++ b/firmware/common/si5351c.c
@@ -254,10 +254,10 @@ void si5351c_configure_clock_control(
 	if (detected_platform() == BOARD_ID_HACKRF1_R9) {
 		data[1] = SI5351C_CLK_INT_MODE | SI5351C_CLK_PLL_SRC_A |
 			SI5351C_CLK_SRC(SI5351C_CLK_SRC_MULTISYNTH_SELF) |
-			SI5351C_CLK_IDRV(SI5351C_CLK_IDRV_2MA);
+			SI5351C_CLK_IDRV(SI5351C_CLK_IDRV_6MA);
 		data[2] = SI5351C_CLK_FRAC_MODE | SI5351C_CLK_PLL_SRC_A |
 			SI5351C_CLK_SRC(SI5351C_CLK_SRC_MULTISYNTH_SELF) |
-			SI5351C_CLK_IDRV(SI5351C_CLK_IDRV_2MA);
+			SI5351C_CLK_IDRV(SI5351C_CLK_IDRV_4MA);
 		data[3] = clkout_ctrl;
 		data[4] = SI5351C_CLK_POWERDOWN;
 		data[5] = SI5351C_CLK_POWERDOWN;