diff --git a/x/lib/qt4.xml b/x/lib/qt4.xml
index e633092d3f..a5208a8f03 100644
--- a/x/lib/qt4.xml
+++ b/x/lib/qt4.xml
@@ -271,13 +271,11 @@ install -v -Dm644 tools/qdbus/qdbusviewer/images/qdbusviewer-128.png \
       <systemitem class="username">root</systemitem> user:
     </para>
 
-<screen role="root"><userinput>for file in 3Support CLucene Core DBus Declarative DesignerComponents \
-            Designer Gui Help Multimedia Network OpenGL Script \
-            ScriptTools Sql Svg Test UiTools WebKit XmlPatterns Xml
+<screen role="root"><userinput>for file in `basename -a -s .prl /usr/lib/lib*.prl`; do
 do
   sed -i -e '/^QMAKE_PRL_BUILD_DIR/d;s/\(QMAKE_PRL_LIBS =\).*/\1/' \
-       /usr/lib/libQt${file}.prl
-  perl -pi -e "s, -L$PWD/?\S+,,g" /usr/lib/pkgconfig/Qt${file}.pc
+       /usr/lib/${file}.prl
+  perl -pi -e "s, -L$PWD/?\S+,,g" /usr/lib/pkgconfig/${file##lib}.pc
 done
 unset file</userinput></screen>
 
@@ -361,7 +359,7 @@ install -v -Dm644 tools/qdbus/qdbusviewer/images/qdbusviewer-128.png \
       <systemitem class="username">root</systemitem> user:
     </para>
 
-<screen role="root"><userinput>for file in `basename -a -s .prl /usr/lib/lib*.prl`; do
+<screen role="root"><userinput>for file in `basename -a -s .prl $QTDIR/lib/lib*.prl`; do
   sed -i -e '/^QMAKE_PRL_BUILD_DIR/d;s/\(QMAKE_PRL_LIBS =\).*/\1/' \
        $QTDIR/lib/${file}.prl
   perl -pi -e "s, -L$PWD/?\S+,,g" $QTDIR/lib/pkgconfig/${file##lib}.pc