diff --git a/src/channels.rs b/src/channels.rs
index b531e86..cfec178 100644
--- a/src/channels.rs
+++ b/src/channels.rs
@@ -129,7 +129,7 @@ impl<'a> Channels<'a> {
         voltage
     }
 
-    pub fn set_i(&mut self, channel: usize, i_tec: ElectricCurrent) -> ElectricCurrent {
+    pub fn set_i(&mut self, channel: usize, i_set: ElectricCurrent) -> ElectricCurrent {
         let vref_meas = match channel.into() {
             0 => self.channel0.vref_meas,
             1 => self.channel1.vref_meas,
@@ -137,11 +137,11 @@ impl<'a> Channels<'a> {
         };
         let center_point = vref_meas;
         let r_sense = ElectricalResistance::new::<ohm>(R_SENSE);
-        let voltage = i_tec * 10.0 * r_sense + center_point;
+        let voltage = i_set * 10.0 * r_sense + center_point;
         let voltage = self.set_dac(channel, voltage);
-        let i_tec = (voltage - center_point) / (10.0 * r_sense);
-        self.channel_state(channel).i_set = i_tec;
-        i_tec
+        let i_set = (voltage - center_point) / (10.0 * r_sense);
+        self.channel_state(channel).i_set = i_set;
+        i_set
     }
 
     pub fn read_dac_feedback(&mut self, channel: usize) -> ElectricPotential {
diff --git a/src/command_handler.rs b/src/command_handler.rs
index 91b46d7..efea1b8 100644
--- a/src/command_handler.rs
+++ b/src/command_handler.rs
@@ -207,11 +207,11 @@ impl Handler {
     }
 
     fn set_center_point(socket: &mut TcpSocket, channels: &mut Channels, channel: usize, center: CenterPoint) -> Result<Handler, Error> {
-        let i_tec = channels.get_i(channel);
+        let i_set = channels.get_i(channel);
         let state = channels.channel_state(channel);
         state.center = center;
         if !state.pid_engaged {
-            channels.set_i(channel, i_tec);
+            channels.set_i(channel, i_set);
         }
         send_line(socket, b"{}");
         Ok(Handler::Handled)