diff --git a/module/documents/roll.mjs b/module/documents/roll.mjs
index e2fbcdd..e1056e3 100644
--- a/module/documents/roll.mjs
+++ b/module/documents/roll.mjs
@@ -358,7 +358,7 @@ export default class LethalFantasyRoll extends Roll {
       dice,
       hasTarget: options.hasTarget,
       modifier,
-      saveSpell: false,
+      saveSpell: game.lethalFantasy?.spellDefense ?? false,
       favor: "none",
       targetName,
       isRangedAttack
diff --git a/module/utils.mjs b/module/utils.mjs
index 79a5ac0..5f8bee3 100644
--- a/module/utils.mjs
+++ b/module/utils.mjs
@@ -323,6 +323,7 @@ export default class LethalFantasyUtils {
 
       if (result) {
         game.lethalFantasy = game.lethalFantasy || {}
+        game.lethalFantasy.spellDefense = true // pré-cocher "Save against spell" dans le dialog
         game.lethalFantasy.nextDefenseData = {
           attackerId,
           attackRoll,