diff --git a/src/kernel/qtkdeintegration_x11.cpp b/src/kernel/qtkdeintegration_x11.cpp
index 5fcd00f..9aabb4f 100644
--- a/src/kernel/qtkdeintegration_x11.cpp
+++ b/src/kernel/qtkdeintegration_x11.cpp
@@ -26,11 +26,7 @@ static QCString findLibrary()
     if( getenv( "QT_NO_KDE_INTEGRATION" ) == NULL
         || getenv( "QT_NO_KDE_INTEGRATION" )[ 0 ] == '0' )
         {
-#ifdef USE_LIB64_PATHES
-        return "/opt/kde3/lib64/kde3/plugins/integration/libqtkde";
-#else
-        return "/opt/kde3/lib/kde3/plugins/integration/libqtkde";
-#endif
+        return QCString() + qInstallPathPlugins() + "/integration/libqtkde";
         }
     return "";
     }