diff --git a/app/routers/qualys.py b/app/routers/qualys.py
index 265bb4c..fdd242f 100644
--- a/app/routers/qualys.py
+++ b/app/routers/qualys.py
@@ -496,7 +496,7 @@ def qualys_agents_page(request: Request, db=Depends(get_db)):
     except Exception:
         summary = {"statuses": [], "versions": [], "total_assets": 0, "active": 0, "inactive": 0}
 
-    # Serveurs en prod sans agent Qualys
+    # Serveurs sans agent Qualys (exclut les workstations Win10/11 = portables/postes dev)
     no_agent_rows = db.execute(text("""
         SELECT s.hostname, s.os_family, s.etat, d.name as domain, e.name as env, z.name as zone
         FROM servers s
@@ -505,6 +505,9 @@ def qualys_agents_page(request: Request, db=Depends(get_db)):
         LEFT JOIN environments e ON de.environment_id = e.id
         LEFT JOIN zones z ON s.zone_id = z.id
         WHERE NOT EXISTS (SELECT 1 FROM qualys_assets qa WHERE qa.hostname = s.hostname)
+          AND COALESCE(s.os_version, '') NOT ILIKE '%Windows 11%'
+          AND COALESCE(s.os_version, '') NOT ILIKE '%Windows 10%'
+          AND COALESCE(s.os_version, '') NOT ILIKE '%Workstation%'
         ORDER BY s.hostname
     """)).fetchall()
     no_agent = [{"hostname": r.hostname, "os_family": r.os_family, "etat": r.etat,