diff --git a/ohmpi.py b/ohmpi.py
index 649857cbc308d939af526245d07dde8a7c748c9c..9c881d415245522f0da14170adb2f7ad40343cf0 100644
--- a/ohmpi.py
+++ b/ohmpi.py
@@ -103,7 +103,7 @@ class OhmPi(object):
             self.mcp = MCP23008(self.i2c, address=0x20)
             
             # ADS1115 for current measurement (AB)
-            self.ads_current = ads.ADS1115(self.i2c, gain=16, data_rate=860, address=0x48)
+            self.ads_current = ads.ADS1115(self.i2c, gain=2/3, data_rate=860, address=0x48)
             
             # ADS1115 for voltage measurement (MN)
             self.ads_voltage = ads.ADS1115(self.i2c, gain=2/3, data_rate=860, address=0x49)