diff --git a/tools/align_from_ayoub.py b/tools/align_from_ayoub.py
index e825c48..27bdf83 100644
--- a/tools/align_from_ayoub.py
+++ b/tools/align_from_ayoub.py
@@ -44,6 +44,34 @@ def clean(v):
     return s or None
 
 
+# Labels iTop officiels pour normaliser les variantes Excel
+ITOP_ENVS = ["Développement", "Intégration", "Pré-Prod", "Production", "Recette", "Test", "Formation"]
+
+
+def norm_env(raw):
+    """Normalise 'production'/'Test 1'/'Preprod' vers les 7 labels iTop."""
+    if not raw:
+        return None
+    s = raw.strip()
+    # Enleve suffixe numerique (Test 1 -> Test, Recette 2 -> Recette)
+    s = re.sub(r"\s+\d+$", "", s)
+    # Match exact
+    if s in ITOP_ENVS:
+        return s
+    # Match case-insensitive + variantes
+    low = s.lower().replace("-", "").replace(" ", "")
+    aliases = {
+        "developpement": "Développement", "dev": "Développement",
+        "integration": "Intégration", "int": "Intégration",
+        "preprod": "Pré-Prod", "preproduction": "Pré-Prod",
+        "prod": "Production", "production": "Production",
+        "recette": "Recette", "rec": "Recette",
+        "test": "Test", "tests": "Test",
+        "formation": "Formation",
+    }
+    return aliases.get(low)
+
+
 def slugify(s, maxlen=10):
     """Slug ASCII lowercase pour code (domain.code varchar(10))."""
     if not s:
@@ -161,7 +189,8 @@ def main():
         hostname = hostname.split(".")[0].lower()
 
         dom_name = clean(row[idx_dom]) if idx_dom >= 0 and idx_dom < len(row) else None
-        env_name = clean(row[idx_env]) if idx_env >= 0 and idx_env < len(row) else None
+        env_raw = clean(row[idx_env]) if idx_env >= 0 and idx_env < len(row) else None
+        env_name = norm_env(env_raw)  # Normalisation vers 7 labels iTop
         resp = clean(row[idx_resp]) if idx_resp >= 0 and idx_resp < len(row) else None
         ref = clean(row[idx_ref]) if idx_ref >= 0 and idx_ref < len(row) else None
         if resp: