diff --git a/drivers/si70xx/si70xx.c b/drivers/si70xx/si70xx.c
index 2074930511..bc74ca39f2 100644
--- a/drivers/si70xx/si70xx.c
+++ b/drivers/si70xx/si70xx.c
@@ -169,7 +169,7 @@ int si70xx_init(si70xx_t *dev, const si70xx_params_t *params)
     i2c_release(SI70XX_I2C);
 
     /* sensor is ready after at most 25 ms */
-    xtimer_usleep(25 * US_PER_MS);
+    xtimer_msleep(25);
 
     DEBUG("[DEBUG] Device initialized with success.\n");
     return SI70XX_OK;