diff --git a/src/MainWidgetBase.ui b/src/MainWidgetBase.ui
index 93cf508..894d8c3 100644
--- a/src/MainWidgetBase.ui
+++ b/src/MainWidgetBase.ui
@@ -2710,15 +2710,15 @@ pixels in the input</string>
     </connection>
     <connection>
         <sender>outputFormat</sender>
-        <signal>activated(const QString&amp;)</signal>
+        <signal>activated(const TQString&amp;)</signal>
         <receiver>MainWidgetBase</receiver>
-        <slot>showOptions(const QString&amp;)</slot>
+        <slot>showOptions(const TQString&amp;)</slot>
     </connection>
     <connection>
         <sender>backendCombo</sender>
-        <signal>activated(const QString&amp;)</signal>
+        <signal>activated(const TQString&amp;)</signal>
         <receiver>MainWidgetBase</receiver>
-        <slot>backendChoosen(const QString&amp;)</slot>
+        <slot>backendChoosen(const TQString&amp;)</slot>
     </connection>
     <connection>
         <sender>autotraceDpiCheckbox</sender>
@@ -2849,8 +2849,8 @@ pixels in the input</string>
     <tabstop>imagesTabs</tabstop>
 </tabstops>
 <Q_SLOTS>
-    <slot access="protected">showOptions( const QString &amp; )</slot>
-    <slot access="protected">backendChoosen( const QString &amp; )</slot>
+    <slot access="protected">showOptions( const TQString &amp; )</slot>
+    <slot access="protected">backendChoosen( const TQString &amp; )</slot>
     <slot>valueChanged()</slot>
     <slot>marginValueChanged( double )</slot>
     <slot>syncronizeMarginsChanged( bool isChecked )</slot>