--- loncom/configuration/Checksumming.pm	2013/02/04 15:05:23	1.3
+++ loncom/configuration/Checksumming.pm	2013/02/06 13:47:47	1.4
@@ -1,7 +1,7 @@
 # The LearningOnline Network with CAPA
 # Checksum installed LON-CAPA modules and some configuration files
 #
-# $Id: Checksumming.pm,v 1.3 2013/02/04 15:05:23 raeburn Exp $
+# $Id: Checksumming.pm,v 1.4 2013/02/06 13:47:47 raeburn Exp $
 #
 # The LearningOnline Network with CAPA
 #
@@ -148,8 +148,10 @@ sub compare_checksums {
                             $numchg ++;
                         }
                     } else {
-                        $missing{$key} = 1;
-                        $numchg ++;
+                        unless ((-e $key) && (-B $key)) {
+                            $missing{$key} = 1;
+                            $numchg ++;
+                        }
                     }
                 }
                 foreach my $key (keys(%{$serversums})) {