diff --git a/src/Window.cc b/src/Window.cc
index ce0d794c..90224fe5 100644
--- a/src/Window.cc
+++ b/src/Window.cc
@@ -1701,7 +1701,7 @@ void BlackboxWindow::show(void) {
   XMapSubwindows(blackbox->getXDisplay(), frame.window);
   XMapWindow(blackbox->getXDisplay(), frame.window);
 
-#if 0
+#ifdef DEBUG
   int real_x, real_y;
   Window child;
   XTranslateCoordinates(blackbox->getXDisplay(), client.window,