diff --git a/source/engine/mecanisms.js b/source/engine/mecanisms.js
index d6a4e44a6..ec8f99fc9 100644
--- a/source/engine/mecanisms.js
+++ b/source/engine/mecanisms.js
@@ -473,7 +473,8 @@ export let mecanismReduction = (recurse, k, v) => {
 		explanation,
 		category: 'mecanism',
 		name: 'allègement',
-		type: 'numeric'
+		type: 'numeric',
+		unit: explanation?.assiette?.unit
 	}
 }