diff --git a/misc-scripts/chimp/InterimExon.pm b/misc-scripts/chimp/InterimExon.pm
index 944d3ff3f0a99f3801f960c67722de4e1f2eedf2..7df6618cb02416341d5cf54c31ba1a4a5c97b35d 100644
--- a/misc-scripts/chimp/InterimExon.pm
+++ b/misc-scripts/chimp/InterimExon.pm
@@ -13,7 +13,9 @@ use StatMsg;
 #
 my @FATAL =
   (StatMsg::DELETE | StatMsg::CDS | StatMsg::LONG,
+   StatMsg::INSERT | StatMsg::CDS | StatMsg::LONG,
    StatMsg::DELETE | StatMsg::CDS | StatMsg::MEDIUM | StatMsg::FRAMESHIFT,
+   StatMsg::INSERT | StatMsg::CDS | StatMsg::MEDIUM | StatMsg::FRAMESHIFT,
    StatMsg::STRAND_FLIP,
    StatMsg::INVERT,
    StatMsg::SCAFFOLD_SPAN,