diff --git a/app.py b/app.py
index 53edae0..2f8b11b 100644
--- a/app.py
+++ b/app.py
@@ -538,7 +538,10 @@ def create_weight_report(payload: dict = Body(...)):
         conn = get_db_connection()
         cursor = conn.cursor()
 
+        # 🔹 On déclare la variable OUTPUT @OUT_WEIGHT_REPORT_KEY
         cursor.execute("""
+        DECLARE @OUT_WEIGHT_REPORT_KEY INT;
+
         EXEC dbo.sp_Singa_Automation_InsertWeightReport
             @CHUNK_KEY = ?,
             @BAGS_SOUND_AND_FULL = ?,
@@ -576,7 +579,10 @@ def create_weight_report(payload: dict = Body(...)):
             @MOISTURE_VALUE = NULL,
             @REPORT_TYPE = 0,
             @WET_WEIGHT = NULL,
-            @WSMD_LOCATION = 0
+            @WSMD_LOCATION = 0,
+            @OUT_WEIGHT_REPORT_KEY = @OUT_WEIGHT_REPORT_KEY OUTPUT;
+
+        SELECT @OUT_WEIGHT_REPORT_KEY AS OUT_WEIGHT_REPORT_KEY;
         """,
         chunk_key,
         bags,
@@ -591,7 +597,7 @@ def create_weight_report(payload: dict = Body(...)):
         report_date
         )
 
-        # 🟢 On récupère le SELECT final de la SP
+        # 🔹 Récupération de la variable OUTPUT
         row = cursor.fetchone()
         conn.commit()
 
@@ -603,7 +609,7 @@ def create_weight_report(payload: dict = Body(...)):
 
         return {
             "success": True,
-            "weight_report_key": row.WEIGHT_REPORT_KEY
+            "weight_report_key": row.OUT_WEIGHT_REPORT_KEY
         }
 
     except Exception as e: