diff --git a/frontend/src/lib/components/admin/PatchTestsManagement.svelte b/frontend/src/lib/components/admin/PatchTestsManagement.svelte
index 31619ec..04204b5 100644
--- a/frontend/src/lib/components/admin/PatchTestsManagement.svelte
+++ b/frontend/src/lib/components/admin/PatchTestsManagement.svelte
@@ -53,7 +53,12 @@ import { Button } from '$lib/components/ui/button';
 
 			if (ptRes.ok && svcRes.ok) {
 				patchTests = await ptRes.json();
-				availableServices = await svcRes.json();
+				const svcData = await svcRes.json();
+				const uniqueSvc = new Map();
+				svcData.forEach((s: Service) => {
+					if (s.id) uniqueSvc.set(s.id, s);
+				});
+				availableServices = Array.from(uniqueSvc.values());
 			} else {
 				toast.error('Failed to load patch test data');
 			}