diff --git a/aqt/deckconf.py b/aqt/deckconf.py
index 36fabb9c9..292b48569 100644
--- a/aqt/deckconf.py
+++ b/aqt/deckconf.py
@@ -172,7 +172,7 @@ class DeckConf(QDialog):
         f.revSpace.setValue(c['fuzz']*100)
         f.revMinSpace.setValue(c['minSpace'])
         f.easyBonus.setValue(c['ease4']*100)
-        f.fi1.setValue(c['ivlFct'])
+        f.fi1.setValue(c['ivlFct']*100)
         f.maxIvl.setValue(c['maxIvl'])
         f.revplim.setText(self.parentLimText('rev'))
         # lapse
@@ -249,7 +249,7 @@ 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()/100.0
         c['maxIvl'] = f.maxIvl.value()
         # lapse
         c = self.conf['lapse']
diff --git a/designer/dconf.ui b/designer/dconf.ui
index 80d1e59ae..5ba92ee13 100644
--- a/designer/dconf.ui
+++ b/designer/dconf.ui
@@ -271,7 +271,7 @@
          <item row="4" column="2">
           <widget class="QLabel" name="label_34">
            <property name="text">
-            <string>x</string>
+            <string>%</string>
            </property>
           </widget>
          </item>
@@ -311,14 +311,20 @@
          </item>
          <item row="4" column="1">
           <widget class="QDoubleSpinBox" name="fi1">
+           <property name="decimals">
+            <number>0</number>
+           </property>
            <property name="minimum">
-            <double>0.300000000000000</double>
+            <double>0.000000000000000</double>
+           </property>
+           <property name="maximum">
+            <double>999.000000000000000</double>
            </property>
            <property name="singleStep">
             <double>0.050000000000000</double>
            </property>
            <property name="value">
-            <double>1.000000000000000</double>
+            <double>100.000000000000000</double>
            </property>
           </widget>
          </item>