diff -urN polipo-1.0.4.1.orig/diskcache.c polipo-1.0.4.1/diskcache.c
--- polipo-1.0.4.1.orig/diskcache.c	2010-01-31 23:13:20.000000000 +0000
+++ polipo-1.0.4.1/diskcache.c	2012-04-26 10:33:40.140208181 +0100
@@ -1941,7 +1941,7 @@
 
     dobject = readDiskObject((char*)filename, sb);
     if(dobject == NULL)
-        return 0;
+        return dobjects;
 
     if(!dobjects ||
        (c = strcmp(dobject->location, dobjects->location)) <= 0) {