diff --git a/src/components/ConcernementMapItem.vue b/src/components/ConcernementMapItem.vue
index 84cbb6e..42fdc10 100644
--- a/src/components/ConcernementMapItem.vue
+++ b/src/components/ConcernementMapItem.vue
@@ -409,7 +409,14 @@ export default {
 
       // console.log(`ConcernementsMapItem ${this.id} created`);
       // this.entites = this.concernement.entites
+      // TODO sometimes active revision is not on revisions_by_id ... why ?
+      let revisions_ids = Object.keys(this.concernement.revisions_byid);
+      if (revisions_ids.indexOf(this.concernement.revision_id) !== -1) {
       this.entites = this.concernement.revisions_byid[this.concernement.revision_id].entites;
+      } else {
+        this.entites = this.concernement.revisions_byid[revisions_ids.pop()].entites;
+      }
+      
     },
     parseEntityPointsValues (){
       // console.log(`parseEntityPointsValues`);