diff --git a/misc-scripts/doxygen_filter/EnsEMBL/PerlFilter.pm b/misc-scripts/doxygen_filter/EnsEMBL/PerlFilter.pm
index c5217ed95ab4429fdf6dc122b7a0d9ee566a18f0..8b3bd27aa34ff6afbc09dbae87ecdb05bf9e72d7 100644
--- a/misc-scripts/doxygen_filter/EnsEMBL/PerlFilter.pm
+++ b/misc-scripts/doxygen_filter/EnsEMBL/PerlFilter.pm
@@ -248,7 +248,7 @@ sub inheritance_action {
 	   my @parents = $line =~ /Bio::EnsEMBL::[\w:]+/g;
 	   push @inheritance,@parents;
     }
-    elsif ($line =~ /use base/) {
+    elsif ($line =~ /use base/ or $line =~ /use parent/) {
         my @parents = $line =~ /Bio::EnsEMBL::[\w:]+/g;
         push @inheritance,@parents;
     }