diff --git a/service/jargon/defaults.yaml b/service/jargon/defaults.yaml
index bf7475c0b..7c2803146 100644
--- a/service/jargon/defaults.yaml
+++ b/service/jargon/defaults.yaml
@@ -521,6 +521,9 @@ inv:
 invul:
   - 'invul'
   - 'multispectrum shield hardener'
+invuln:
+  - 'invuln'
+  - 'multispectrum shield hardener'
 invulnerability:
   - 'invulnerability'
   - 'multispectrum shield hardener'