diff --git a/src/main.py b/src/main.py
index 0ec7fd6..ebbd420 100644
--- a/src/main.py
+++ b/src/main.py
@@ -10,7 +10,7 @@ import time
 from pathlib import Path
 
 from .anonymization.anonymizer import Anonymizer
-from .config import ANONYMIZED_DIR, OUTPUT_DIR, REPORTS_DIR, STRUCTURED_DIR, AnonymizationReport, DossierMedical
+from .config import ANONYMIZED_DIR, INPUT_DIR, OUTPUT_DIR, REPORTS_DIR, STRUCTURED_DIR, AnonymizationReport, DossierMedical
 from .extraction.document_classifier import classify
 from .extraction.crh_parser import parse_crh
 from .extraction.document_splitter import split_documents
@@ -261,13 +261,22 @@ def main(input_path: str | None = None) -> None:
 
     export_rum_flag = args.export_rum
 
-    # Chargement contrôle CPAM
+    # Chargement contrôle CPAM (auto-détection ou flag explicite)
     cpam_data = None
-    if args.control_cpam:
+    cpam_path = args.control_cpam
+    if not cpam_path:
+        # Auto-détection : chercher un .xlsx dans input/Control_cpam/
+        cpam_dir = INPUT_DIR / "Control_cpam"
+        if cpam_dir.is_dir():
+            xlsx_files = sorted(cpam_dir.glob("*.xlsx"))
+            if xlsx_files:
+                cpam_path = str(xlsx_files[0])
+                logger.info("CPAM : fichier détecté automatiquement → %s", cpam_path)
+    if cpam_path:
         from .control.cpam_parser import parse_cpam_excel
-        cpam_data = parse_cpam_excel(args.control_cpam)
+        cpam_data = parse_cpam_excel(cpam_path)
         if not cpam_data:
-            logger.warning("Aucun contrôle CPAM chargé depuis %s", args.control_cpam)
+            logger.warning("Aucun contrôle CPAM chargé depuis %s", cpam_path)
 
     input_paths = args.input