diff --git a/web/app/appointments/page.js b/web/app/appointments/page.js
index 58b741f9..e596bcde 100644
--- a/web/app/appointments/page.js
+++ b/web/app/appointments/page.js
@@ -603,7 +603,7 @@ const canBookAppointments = user?.role === "CUSTOMER" || user?.role === "ADMIN";
   }, [storeId, serviceId, appointmentDate]);
 
   const eligiblePets = customerPets.filter(
-    (p) => p.petStatus === "Owned" || p.petStatus === "Adopted"
+    (p) => p.petStatus?.toLowerCase() === "owned" || p.petStatus?.toLowerCase() === "adopted"
   );
 
   const selectedService = services.find((s) => s.serviceId === Number(serviceId));
@@ -663,7 +663,7 @@ const canBookAppointments = user?.role === "CUSTOMER" || user?.role === "ADMIN";
       return;
     }
 
-    if (!adoptionMode && selectedPet && selectedPet.petStatus !== "Owned" && selectedPet.petStatus !== "Adopted") {
+    if (!adoptionMode && selectedPet && selectedPet.petStatus?.toLowerCase() !== "owned" && selectedPet.petStatus?.toLowerCase() !== "adopted") {
       setError("The selected pet is no longer eligible for appointments. Please refresh the page.");
       return;
     }