diff --git a/frontend/src/features/layout-designer/components/AddFloorModal.tsx b/frontend/src/features/layout-designer/components/AddFloorModal.tsx
index aae875b..9a78eec 100644
--- a/frontend/src/features/layout-designer/components/AddFloorModal.tsx
+++ b/frontend/src/features/layout-designer/components/AddFloorModal.tsx
@@ -25,7 +25,8 @@ export function AddFloorModal({ isOpen, onClose, buildingId, onCreated }: AddFlo
 
         setLoading(true);
         try {
-            const floor = await layoutApi.createFloor(buildingId, {
+            const floor = await layoutApi.createFloor({
+                buildingId,
                 name: formData.name.trim(),
                 number: formData.number,
                 width: formData.width,