diff --git a/desktop-widgets/preferences/preferences_graph.ui b/desktop-widgets/preferences/preferences_graph.ui
index 562f30daa..a914dfd54 100644
--- a/desktop-widgets/preferences/preferences_graph.ui
+++ b/desktop-widgets/preferences/preferences_graph.ui
@@ -178,21 +178,28 @@
         </property>
        </widget>
       </item>
-      <item row="3" column="0">
+      <item row="3" column="1" colspan="2">
+       <widget class="QCheckBox" name="allowOcGasAsDiluent">
+        <property name="text">
+         <string>Allow open circuit gas to be used as diluent for CCR</string>
+        </property>
+       </widget>
+      </item>
+      <item row="4" column="0">
        <widget class="QLabel" name="pSCR">
         <property name="text">
          <string>pSCR options:</string>
         </property>
        </widget>
       </item>
-      <item row="3" column="1">
+      <item row="5" column="1">
        <widget class="QLabel" name="MetabolicRate">
         <property name="text">
          <string>pSCR metabolic rate O₂</string>
         </property>
        </widget>
       </item>
-      <item row="3" column="2">
+      <item row="5" column="2">
        <widget class="QDoubleSpinBox" name="psro2rate">
         <property name="suffix">
          <string>ℓ/min</string>
@@ -202,7 +209,7 @@
         </property>
        </widget>
       </item>
-      <item row="3" column="3">
+      <item row="5" column="3">
        <widget class="QLabel" name="label_28">
         <property name="text">
          <string>Dilution ratio</string>
@@ -212,7 +219,7 @@
         </property>
        </widget>
       </item>
-      <item row="3" column="4">
+      <item row="5" column="4">
        <widget class="QSpinBox" name="pscrfactor">
         <property name="suffix">
          <string/>
@@ -222,7 +229,7 @@
         </property>
        </widget>
       </item>
-      <item row="4" column="1">
+      <item row="6" column="1">
        <widget class="QCheckBox" name="show_scr_ocpo2">
         <property name="text">
          <string>Show equivalent OC pO₂ with pSCR pO₂</string>
@@ -245,13 +252,6 @@
         </property>
        </widget>
       </item>
-      <item row="1" column="0">
-       <widget class="QCheckBox" name="allowOcGasAsDiluent">
-        <property name="text">
-         <string>Allow open circuit gas to be used as diluent for CCR</string>
-        </property>
-       </widget>
-      </item>
      </layout>
     </widget>
    </item>