diff --git a/src/SetBG.cc b/src/SetBG.cc
index f9ca28b..8320288 100644
--- a/src/SetBG.cc
+++ b/src/SetBG.cc
@@ -273,6 +273,7 @@ bool SetBG::set_bg_xinerama(XineramaScreenInfo* xinerama_info, gint xinerama_num
 
 	if (xoldpm) {
 		// grab the old pixmap and ref it into a gdk pixmap
+        printf("Creating old pixmap from %x\n", *((Pixmap*) data_root));
 		pixmap = Gdk::Pixmap::create(_display, *xoldpm);
 		// check that this pixmap is the right size
 		int width, height;