diff --git a/Eastron_device.py b/Eastron_device.py
index d8beec4..71f5c2f 100644
--- a/Eastron_device.py
+++ b/Eastron_device.py
@@ -30,7 +30,7 @@ def read_data_regs(self, regs, d):
         start = regs[0].base
         count = regs[-1].base + regs[-1].count - start
 
-        rr = self.modbus.read_holding_registers(start, count, unit=self.unit)
+        rr = self.modbus.read_input_registers(start, count, unit=self.unit)
 
         latency = time.time() - now