diff --git a/aqt/deckconf.py b/aqt/deckconf.py
index 5270ab0ad..15d03f405 100644
--- a/aqt/deckconf.py
+++ b/aqt/deckconf.py
@@ -172,7 +172,8 @@ class DeckConf(QDialog):
         f.revSpace.setValue(c['fuzz']*100)
         f.revMinSpace.setValue(c['minSpace'])
         f.easyBonus.setValue(c['ease4']*100)
-        f.fi1.setValue(c.get('ivlfct', 1))
+        f.fi1.setValue(c['ivlFct'])
+        f.maxIvl.setValue(c['maxIvl'])
         f.revplim.setText(self.parentLimText('rev'))
         # lapse
         c = self.conf['lapse']
@@ -247,7 +248,8 @@ class DeckConf(QDialog):
         c['fuzz'] = f.revSpace.value()/100.0
         c['minSpace'] = f.revMinSpace.value()
         c['ease4'] = f.easyBonus.value()/100.0
-        c['ivlfct'] = f.fi1.value()
+        c['ivlFct'] = f.fi1.value()
+        c['maxIvl'] = f.maxIvl.value()
         # lapse
         c = self.conf['lapse']
         self.updateList(c, 'delays', f.lapSteps, minSize=0)
diff --git a/designer/dconf.ui b/designer/dconf.ui
index a34dcabc7..150917b13 100644
--- a/designer/dconf.ui
+++ b/designer/dconf.ui
@@ -197,13 +197,24 @@
       <layout class="QVBoxLayout" name="verticalLayout_4">
        <item>
         <layout class="QGridLayout" name="gridLayout_3">
-         <item row="1" column="1">
-          <widget class="QSpinBox" name="revSpace">
-           <property name="maximum">
-            <number>100</number>
+         <item row="3" column="0">
+          <widget class="QLabel" name="label_20">
+           <property name="text">
+            <string>Easy bonus</string>
            </property>
-           <property name="singleStep">
-            <number>5</number>
+          </widget>
+         </item>
+         <item row="2" column="2">
+          <widget class="QLabel" name="label_19">
+           <property name="text">
+            <string>days</string>
+           </property>
+          </widget>
+         </item>
+         <item row="2" column="0">
+          <widget class="QLabel" name="label_16">
+           <property name="text">
+            <string>Minimum sibling range</string>
            </property>
           </widget>
          </item>
@@ -220,24 +231,13 @@
            </property>
           </widget>
          </item>
-         <item row="2" column="0">
-          <widget class="QLabel" name="label_16">
-           <property name="text">
-            <string>Minimum sibling range</string>
+         <item row="1" column="1">
+          <widget class="QSpinBox" name="revSpace">
+           <property name="maximum">
+            <number>100</number>
            </property>
-          </widget>
-         </item>
-         <item row="2" column="2">
-          <widget class="QLabel" name="label_19">
-           <property name="text">
-            <string>days</string>
-           </property>
-          </widget>
-         </item>
-         <item row="3" column="0">
-          <widget class="QLabel" name="label_20">
-           <property name="text">
-            <string>Easy bonus</string>
+           <property name="singleStep">
+            <number>5</number>
            </property>
           </widget>
          </item>
@@ -322,6 +322,30 @@
            </property>
           </widget>
          </item>
+         <item row="5" column="0">
+          <widget class="QLabel" name="label_3">
+           <property name="text">
+            <string>Maximum interval</string>
+           </property>
+          </widget>
+         </item>
+         <item row="5" column="1">
+          <widget class="QSpinBox" name="maxIvl">
+           <property name="minimum">
+            <number>1</number>
+           </property>
+           <property name="maximum">
+            <number>99999</number>
+           </property>
+          </widget>
+         </item>
+         <item row="5" column="2">
+          <widget class="QLabel" name="label_23">
+           <property name="text">
+            <string>days</string>
+           </property>
+          </widget>
+         </item>
         </layout>
        </item>
        <item>
@@ -598,6 +622,7 @@
   <tabstop>revMinSpace</tabstop>
   <tabstop>easyBonus</tabstop>
   <tabstop>fi1</tabstop>
+  <tabstop>maxIvl</tabstop>
   <tabstop>lapSteps</tabstop>
   <tabstop>lapMult</tabstop>
   <tabstop>lapMinInt</tabstop>