diff --git a/solenv/gbuild/filter-showIncludes.pl b/solenv/gbuild/filter-showIncludes.pl
index f72a9eb..bc477b5 100755
--- a/solenv/gbuild/filter-showIncludes.pl
+++ b/solenv/gbuild/filter-showIncludes.pl
@@ -57,6 +57,11 @@ while ( <STDIN> ) {
 }
 
 print OUT "\n";
+
+foreach my $key ( keys %seen ) {
+  print OUT "\n$key:\n";
+}
+
 close( OUT ) or die "Cannot close $outfile.";
 
 # vim: shiftwidth=4 softtabstop=4 expandtab: