diff --git a/app/services/qualys_service.py b/app/services/qualys_service.py
index f48c90e..54139be 100644
--- a/app/services/qualys_service.py
+++ b/app/services/qualys_service.py
@@ -70,9 +70,17 @@ def search_assets_api(db, query, field="name", operator="CONTAINS", force_refres
         return {"ok": False, "msg": f"Erreur API: {e}", "assets": []}
 
     if r.status_code != 200 or "SUCCESS" not in r.text:
-        # Inclure le début du body pour faciliter le diagnostic
+        # Inclure le détail Qualys (errorMessage / errorResolution sont dans le XML)
+        import re as _re
+        err_msg = ""
+        m = _re.search(r"<errorMessage>([^<]+)</errorMessage>", r.text or "")
+        if m: err_msg += " | errorMessage: " + m.group(1).strip()
+        m = _re.search(r"<errorResolution>([^<]+)</errorResolution>", r.text or "")
+        if m: err_msg += " | errorResolution: " + m.group(1).strip()
+        m = _re.search(r"<responseCode>([^<]+)</responseCode>", r.text or "")
+        if m: err_msg = " [" + m.group(1).strip() + "]" + err_msg
         return {"ok": False,
-                "msg": f"API HTTP {r.status_code} — {r.text[:200]}",
+                "msg": f"API HTTP {r.status_code}{err_msg}",
                 "assets": []}
 
     assets = _parse_assets_full(r.text)