diff --git a/Content.Client/Atmos/UI/GasMixerWindow.xaml b/Content.Client/Atmos/UI/GasMixerWindow.xaml
index 1468ff55a3..8de57a2103 100644
--- a/Content.Client/Atmos/UI/GasMixerWindow.xaml
+++ b/Content.Client/Atmos/UI/GasMixerWindow.xaml
@@ -20,7 +20,7 @@
         </BoxContainer>
         <BoxContainer Orientation="Horizontal" HorizontalExpand="True">
             <Control MinSize="0 5" />
-            <Label Text="{Loc comp-gas-mixer-ui-mixer-node-primary}"/>
+            <Label Text="{Loc comp-gas-mixer-ui-mixer-node-back}"/>
             <Control MinSize="5 0" />
             <LineEdit Name="MixerNodeOneInput" MinSize="60 0" />
             <Label Text=" %"/>
diff --git a/Resources/Locale/en-US/components/gas-mixer-component.ftl b/Resources/Locale/en-US/components/gas-mixer-component.ftl
index 57d1aad675..203c4b4c4d 100644
--- a/Resources/Locale/en-US/components/gas-mixer-component.ftl
+++ b/Resources/Locale/en-US/components/gas-mixer-component.ftl
@@ -1,6 +1,6 @@
 comp-gas-mixer-ui-mixer-output-pressure = Output Pressure (kPa):
 
-comp-gas-mixer-ui-mixer-node-primary = Primary Port:
+comp-gas-mixer-ui-mixer-node-back = Back Port:
 comp-gas-mixer-ui-mixer-node-side = Side Port:
 
 comp-gas-mixer-ui-mixer-set = Set