diff --git a/qt/aqt/customstudy.py b/qt/aqt/customstudy.py
index 7c17a57e1..c2c2512bf 100644
--- a/qt/aqt/customstudy.py
+++ b/qt/aqt/customstudy.py
@@ -41,7 +41,7 @@ class CustomStudy(QDialog):
         f.radioRev.clicked.connect(lambda: self.onRadioChange(RADIO_REV))
         f.radioForgot.clicked.connect(lambda: self.onRadioChange(RADIO_FORGOT))
         f.radioAhead.clicked.connect(lambda: self.onRadioChange(RADIO_AHEAD))
-        f.radio5.clicked.connect(lambda: self.onRadioChange(5))
+        f.radioPreview.clicked.connect(lambda: self.onRadioChange(RADIO_PREVIEW))
         f.radio6.clicked.connect(lambda: self.onRadioChange(6))
 
     def onRadioChange(self, idx):
diff --git a/qt/designer/customstudy.ui b/qt/designer/customstudy.ui
index 145da6cf2..803fd30d5 100644
--- a/qt/designer/customstudy.ui
+++ b/qt/designer/customstudy.ui
@@ -52,7 +52,7 @@
       </widget>
      </item>
      <item row="4" column="0">
-      <widget class="QRadioButton" name="radio5">
+      <widget class="QRadioButton" name="radioPreview">
        <property name="text">
         <string>Preview new cards</string>
        </property>
@@ -167,6 +167,7 @@
   <tabstop>radioRev</tabstop>
   <tabstop>radioForgot</tabstop>
   <tabstop>radioAhead</tabstop>
+  <tabstop>radioPreview</tabstop>
   <tabstop>radio6</tabstop>
   <tabstop>spin</tabstop>
   <tabstop>buttonBox</tabstop>