diff --git a/module/rdd-combat.js b/module/rdd-combat.js
index 5108c363..88d3e24c 100644
--- a/module/rdd-combat.js
+++ b/module/rdd-combat.js
@@ -721,12 +721,12 @@ export class RdDCombat {
     }
   }
 
-  isVisible(token, defender) {
-    return canvas.effects.visibility.testVisibility(defender.center, { object: token })
+  isVisible(token, defenderToken) {
+    return canvas.effects.visibility.testVisibility(defenderToken.center, { object: token })
   }
     
-  distance(t, defenderToken) {
-    return Number(canvas.grid.measureDistances([{ ray: new Ray(t.center, defenderToken.center) }], { gridSpaces: false })).toFixed(1);
+  distance(token, defenderToken) {
+    return Number(canvas.grid.measureDistances([{ ray: new Ray(token.center, defenderToken.center) }], { gridSpaces: false })).toFixed(1);
   }
 
   _ajustementPortee(dist, arme) {