diff --git a/app/routers/patch_history.py b/app/routers/patch_history.py
index f643d7c..fa6fe84 100644
--- a/app/routers/patch_history.py
+++ b/app/routers/patch_history.py
@@ -12,18 +12,25 @@ templates = Jinja2Templates(directory="app/templates")
 
 @router.get("/patching/historique", response_class=HTMLResponse)
 async def patch_history_page(request: Request, db=Depends(get_db),
-                              year: int = Query(None), week: int = Query(None),
-                              hostname: str = Query(None), source: str = Query(None),
-                              os_family: str = Query(None), zone: str = Query(None),
-                              domain: str = Query(None), intervenant: str = Query(None),
-                              page: int = Query(1)):
+                              year: str = Query(""), week: str = Query(""),
+                              hostname: str = Query(""), source: str = Query(""),
+                              os_family: str = Query(""), zone: str = Query(""),
+                              domain: str = Query(""), intervenant: str = Query(""),
+                              page: str = Query("1")):
     user = get_current_user(request)
     if not user:
         return RedirectResponse(url="/login")
 
     from datetime import datetime
-    if not year:
-        year = datetime.now().year
+    year = int(year) if year and year.isdigit() else datetime.now().year
+    week = int(week) if week and week.isdigit() else None
+    page = int(page) if page and page.isdigit() else 1
+    hostname = hostname.strip() or None
+    source = source.strip() or None
+    os_family = os_family.strip() or None
+    zone = zone.strip() or None
+    domain = domain.strip() or None
+    intervenant = intervenant.strip() or None
 
     per_page = 100
     offset = (page - 1) * per_page