diff --git a/server/routes.ts b/server/routes.ts
index 7c6a70d..f4fc60c 100644
--- a/server/routes.ts
+++ b/server/routes.ts
@@ -211,8 +211,16 @@ export async function registerRoutes(app: Express): Promise<Server> {
       }
 
       // Check if DLC filter is requested
+      const dlcFilter = req.query.dlc === 'true';
       const suppliers = await storage.getSuppliers();
-      res.json(suppliers);
+      
+      // Filter suppliers for DLC enabled only if requested
+      if (dlcFilter) {
+        const dlcSuppliers = suppliers.filter(supplier => supplier.dlcEnabled === true);
+        res.json(dlcSuppliers);
+      } else {
+        res.json(suppliers);
+      }
     } catch (error) {
       console.error("Error fetching suppliers:", error);
       res.status(500).json({ message: "Failed to fetch suppliers" });