diff --git a/qubesmanager/settings.py b/qubesmanager/settings.py
index 214a8da..0599be8 100644
--- a/qubesmanager/settings.py
+++ b/qubesmanager/settings.py
@@ -234,10 +234,9 @@ class VMSettingsWindow(Ui_SettingsDialog, QDialog):
             self.networking_groupbox.setEnabled(False);
 
 
-        #maxmem
-        self.priv_size.setValue(int(self.vm.maxmem)/1024)
-        self.priv_size.setMinimum(0)
-        self.priv_size.setMaximum(QubesHost().memory_total/1024/1024)
+        #max priv size
+        self.priv_size.setValue(int(self.vm.memory))
+        self.priv_size.setMaximum(QubesHost().memory_total/1024)
 
         #self.vmname.selectAll()
         #self.vmname.setFocus()
@@ -307,11 +306,9 @@ class VMSettingsWindow(Ui_SettingsDialog, QDialog):
         #include in backups
         self.vm.include_in_backups = self.include_in_backups.isChecked()
 
-        #maxmem
-        maxmem = self.priv_size.value()*1024
-        if maxmem == 0:
-            maxmem = 256
-        self.vm.maxmem = maxmem
+        #max priv size
+        priv_size = self.priv_size.value()
+        self.vm.memory = priv_size
 
         return msg
             
diff --git a/settingsdlg.ui b/settingsdlg.ui
index 4e60019..9ea4ee0 100644
--- a/settingsdlg.ui
+++ b/settingsdlg.ui
@@ -171,18 +171,24 @@
               <property name="alignment">
                <set>Qt::AlignRight|Qt::AlignTrailing|Qt::AlignVCenter</set>
               </property>
+              <property name="minimum">
+               <number>256</number>
+              </property>
               <property name="maximum">
                <number>10000</number>
               </property>
+              <property name="singleStep">
+               <number>256</number>
+              </property>
               <property name="value">
-               <number>2</number>
+               <number>256</number>
               </property>
              </widget>
             </item>
             <item row="0" column="2">
              <widget class="QLabel" name="label_5">
               <property name="text">
-               <string>GB</string>
+               <string>MB</string>
               </property>
              </widget>
             </item>
@@ -339,11 +345,14 @@
               <property name="alignment">
                <set>Qt::AlignRight|Qt::AlignTrailing|Qt::AlignVCenter</set>
               </property>
+              <property name="minimum">
+               <number>256</number>
+              </property>
               <property name="maximum">
                <number>10000</number>
               </property>
               <property name="singleStep">
-               <number>100</number>
+               <number>256</number>
               </property>
               <property name="value">
                <number>400</number>