diff --git a/modules/crucible-utility.js b/modules/crucible-utility.js
index 92bce03..b94ff4c 100644
--- a/modules/crucible-utility.js
+++ b/modules/crucible-utility.js
@@ -313,7 +313,7 @@ export class CrucibleUtility {
       }
     }
     // Manage exp
-    if (rollData.skill) {
+    if (rollData.skill && rollData.skill.data.level > 0) {
       let nbSkillSuccess = rollData.roll.terms[2].total
       if ( nbSkillSuccess == 0 || nbSkillSuccess == rollData.skill.data.level) {
         actor.incrementSkillExp(rollData.skill._id, 1)
@@ -344,7 +344,7 @@ export class CrucibleUtility {
       return 0;
     })
   }
-  
+
   /* -------------------------------------------- */
   static getUsers(filter) {
     return game.users.filter(filter).map(user => user.data._id);