diff --git a/conf/dlgperformance.ui b/conf/dlgperformance.ui
index 19280546f..2fcdf6f82 100644
--- a/conf/dlgperformance.ui
+++ b/conf/dlgperformance.ui
@@ -48,18 +48,18 @@
                         </property>
                         <widget class="QCheckBox">
                             <property name="name">
-                                <cstring>kcfg_DisableCompositing</cstring>
+                                <cstring>kcfg_EnableCompositing</cstring>
                             </property>
                             <property name="text">
-                                <string>Disable &amp;transparency effects</string>
+                                <string>Enabled &amp;transparency effects</string>
                             </property>
                         </widget>
                         <widget class="QCheckBox">
                             <property name="name">
-                                <cstring>kcfg_DisableThreading</cstring>
+                                <cstring>kcfg_EnableThreading</cstring>
                             </property>
                             <property name="text">
-                                <string>Disable &amp;background generation</string>
+                                <string>Enable &amp;background generation</string>
                             </property>
                         </widget>
                     </vbox>
diff --git a/conf/kpdf.kcfg b/conf/kpdf.kcfg
index cdbbc19a4..7f197aad2 100644
--- a/conf/kpdf.kcfg
+++ b/conf/kpdf.kcfg
@@ -90,11 +90,11 @@
     <choice name="pad_description" />
    </choices>
   </entry>
-  <entry key="DisableCompositing" type="Bool" >
-   <default>false</default>
+  <entry key="EnableCompositing" type="Bool" >
+   <default>true</default>
   </entry>
-  <entry key="DisableThreading" type="Bool" >
-   <default>false</default>
+  <entry key="EnableThreading" type="Bool" >
+   <default>true</default>
   </entry>
  </group>
  <group name="Presentation" >
diff --git a/core/document.cpp b/core/document.cpp
index 50e7ca77f..f95281f39 100644
--- a/core/document.cpp
+++ b/core/document.cpp
@@ -307,7 +307,7 @@ void KPDFDocument::requestPixmaps( const QValueList< PixmapRequest * > & request
         mCleanupMemory( request->id );
 
         // 3. Enqueue to Generator (that takes ownership of request)
-        generator->requestPixmap( request, Settings::disableThreading() ? false : async );
+        generator->requestPixmap( request, Settings::enableThreading() ? async : false );
     }
 }
 
diff --git a/ui/pageview.cpp b/ui/pageview.cpp
index a14cca7a5..1d52bf93b 100644
--- a/ui/pageview.cpp
+++ b/ui/pageview.cpp
@@ -424,7 +424,7 @@ void PageView::viewportPaintEvent( QPaintEvent * pe )
         // note: this check will take care of all things requiring alpha blending (not only selection)
         bool wantCompositing = !selectionRect.isNull() && contentsRect.intersects( selectionRect );
 
-        if ( wantCompositing && !Settings::disableCompositing() )
+        if ( wantCompositing && Settings::enableCompositing() )
         {
             // create pixmap and open a painter over it (contents{left,top} becomes pixmap {0,0})
             QPixmap doubleBuffer( contentsRect.size() );