--- rxvt-unicode/src/background.C	2012/06/10 13:07:56	1.236
+++ rxvt-unicode/src/background.C	2012/06/10 15:01:14	1.237
@@ -32,6 +32,7 @@
 {
 # if ENABLE_TRANSPARENCY
   delete root_img;
+  root_img = 0;
 # endif
 
 # if BG_IMAGE_FROM_FILE
@@ -39,6 +40,7 @@
 # endif
 
   delete bg_img;
+  bg_img = 0;
 }
 
 bool