diff --git a/scripts/prt-auf b/scripts/prt-auf
index b85379d..efd2791 100755
--- a/scripts/prt-auf
+++ b/scripts/prt-auf
@@ -686,7 +686,8 @@ sub port_diff { # find differences between the pkgdb and the repo
   return $retval if ($dtype ne "sysup");
 
   # proceed with the sysup operation
-  return up_inst(@outfile);
+  my @results = up_inst(@outfile);
+  return $retval, @results;
 }
 
 sub deporder { # returns a sorted list of packages required.