diff --git a/hv7131r.c b/hv7131r.c
index 4ae7c2a..a4ffd9d 100644
--- a/hv7131r.c
+++ b/hv7131r.c
@@ -79,7 +83,7 @@ int hv7131r_set_gain(struct usb_sn9c20x *dev)
 
 	buf = dev->vsettings.gain;
 
-	ret = sn9c20x_write_i2c_data_ext(dev, 1, 0x30, &buf, 0x1d);
+	ret = sn9c20x_write_i2c_data(dev, 1, 0x30, &buf);
 
 	return ret;
 }