diff --git a/module/rdd-combat.js b/module/rdd-combat.js
index bf201da2..268ede40 100644
--- a/module/rdd-combat.js
+++ b/module/rdd-combat.js
@@ -688,10 +688,22 @@ export class RdDCombat {
   }
 
   /* -------------------------------------------- */
-  verifierDistance( competence, arme) {
-    if ( competence.system.categorie == "tir" ) {
-      // TODO - ONGOING
-
+  verifierDistance( rollData ) {
+    if ( rollData.competence.system.categorie == "tir" || 
+         rollData.competence.system.categorie == "lancer" ) {
+      const defenderToken = canvas.tokens.get(this.defenderTokenId)
+      let dist = canvas.grid.measureDistances([{ ray: new Ray(_token.center, defenderToken.center) }], { gridSpaces: false })
+      dist = Number(dist).toPrecision(5)
+      //let ray = new Ray( {x: _token.x, y: _token.y}, {x: defenderToken.x, y:defenderToken.y} )
+      let msgPortee = "portée est courte (0)"
+      if (dist > rollData.arme.system.portee_courte && dist <= rollData.arme.system.portee_moyenne) {
+        msgPortee = "portée est moyenne (-3)"      
+      } else if (dist > rollData.arme.system.portee_moyenne && dist <= rollData.arme.system.portee_extreme) {
+        msgPortee = "portée est extrême (-5)" 
+      } else if ( dist > rollData.arme.system.portee_extreme) {
+        msgPortee = "cible est inateignable" 
+      }
+      ChatMessage.create( { content: `<strong>Indication MJ</strong> : La cible est à une distance indicative de : ${dist} mètres. Pour l'arme ${rollData.arme.name}, la ${msgPortee}.`,                    whisper: ChatMessage.getWhisperRecipients("GM") } )
     }
   }
 
@@ -717,7 +729,7 @@ export class RdDCombat {
     if (arme) {
       this.attacker.verifierForceMin(arme);
     }
-    this.verifierDistance(competence, arme)
+    this.verifierDistance(rollData)
 
     const dialog = await RdDRoll.create(this.attacker, rollData,
       {
diff --git a/system.json b/system.json
index 52c3f0c3..17b93db6 100644
--- a/system.json
+++ b/system.json
@@ -34,7 +34,7 @@
   ],
   "url": "https://www.uberwald.me/gitea/public/foundryvtt-reve-de-dragon/",
   "license": "LICENSE.txt",
-  "version": "10.0.24",
+  "version": "10.0.25",
   "compatibility": {
     "minimum": "10",
     "verified": "10.286"
@@ -333,7 +333,7 @@
   ],
   "socket": true,
   "manifest": "https://www.uberwald.me/gitea/public/foundryvtt-reve-de-dragon/raw/v10/system.json",
-  "download": "https://www.uberwald.me/gitea/public/foundryvtt-reve-de-dragon/archive/foundryvtt-reve-de-dragon-10.0.24.zip",
+  "download": "https://www.uberwald.me/gitea/public/foundryvtt-reve-de-dragon/archive/foundryvtt-reve-de-dragon-10.0.25.zip",
   "gridDistance": 1,
   "gridUnits": "m",
   "primaryTokenAttribute": "sante.vie",