diff --git a/drivers/at86rf2xx/at86rf2xx.c b/drivers/at86rf2xx/at86rf2xx.c
index ccabc35679..7a1d91e5e3 100644
--- a/drivers/at86rf2xx/at86rf2xx.c
+++ b/drivers/at86rf2xx/at86rf2xx.c
@@ -160,6 +160,13 @@ void at86rf2xx_reset(at86rf2xx_t *dev)
     tmp &= ~(AT86RF2XX_TRX_CTRL_1_MASK__IRQ_MASK_MODE);
     at86rf2xx_reg_write(dev, AT86RF2XX_REG__TRX_CTRL_1, tmp);
 
+    /* disable clock output to save power */
+    tmp = at86rf2xx_reg_read(dev, AT86RF2XX_REG__TRX_CTRL_0);
+    tmp &= ~(AT86RF2XX_TRX_CTRL_0_MASK__CLKM_CTRL);
+    tmp &= ~(AT86RF2XX_TRX_CTRL_0_MASK__CLKM_SHA_SEL);
+    tmp |= (AT86RF2XX_TRX_CTRL_0_CLKM_CTRL__OFF);
+    at86rf2xx_reg_write(dev, AT86RF2XX_REG__TRX_CTRL_0, tmp);
+
     /* enable interrupts */
     at86rf2xx_reg_write(dev, AT86RF2XX_REG__IRQ_MASK,
                         AT86RF2XX_IRQ_STATUS_MASK__TRX_END);