diff --git a/gui/dialogs/InstanceSettings.ui b/gui/dialogs/InstanceSettings.ui
index 9260caea..930b772a 100644
--- a/gui/dialogs/InstanceSettings.ui
+++ b/gui/dialogs/InstanceSettings.ui
@@ -168,6 +168,9 @@
          <layout class="QGridLayout" name="gridLayout_2">
           <item row="1" column="1">
            <widget class="QSpinBox" name="maxMemSpinBox">
+            <property name="suffix">
+             <string> MB</string>
+            </property>
             <property name="minimum">
              <number>512</number>
             </property>
@@ -198,6 +201,9 @@
           </item>
           <item row="0" column="1">
            <widget class="QSpinBox" name="minMemSpinBox">
+            <property name="suffix">
+             <string> MB</string>
+            </property>
             <property name="minimum">
              <number>256</number>
             </property>
@@ -214,6 +220,9 @@
           </item>
           <item row="2" column="1">
            <widget class="QSpinBox" name="permGenSpinBox">
+            <property name="suffix">
+             <string> MB</string>
+            </property>
             <property name="minimum">
              <number>64</number>
             </property>
diff --git a/gui/dialogs/SettingsDialog.ui b/gui/dialogs/SettingsDialog.ui
index e7671cce..5f2614ed 100644
--- a/gui/dialogs/SettingsDialog.ui
+++ b/gui/dialogs/SettingsDialog.ui
@@ -596,6 +596,9 @@
          <layout class="QGridLayout" name="gridLayout_2">
           <item row="1" column="1">
            <widget class="QSpinBox" name="maxMemSpinBox">
+            <property name="suffix">
+             <string> MB</string>
+            </property>
             <property name="minimum">
              <number>512</number>
             </property>
@@ -626,6 +629,9 @@
           </item>
           <item row="0" column="1">
            <widget class="QSpinBox" name="minMemSpinBox">
+            <property name="suffix">
+             <string> MB</string>
+            </property>
             <property name="minimum">
              <number>256</number>
             </property>
@@ -649,6 +655,9 @@
           </item>
           <item row="2" column="1">
            <widget class="QSpinBox" name="permGenSpinBox">
+            <property name="suffix">
+             <string> MB</string>
+            </property>
             <property name="minimum">
              <number>64</number>
             </property>
@@ -895,7 +904,7 @@
   </connection>
  </connections>
  <buttongroups>
-  <buttongroup name="sortingModeGroup"/>
   <buttongroup name="proxyGroup"/>
+  <buttongroup name="sortingModeGroup"/>
  </buttongroups>
 </ui>