diff --git a/src/components/settings/LocationTab.tsx b/src/components/settings/LocationTab.tsx
index 9388ca65..c485174c 100644
--- a/src/components/settings/LocationTab.tsx
+++ b/src/components/settings/LocationTab.tsx
@@ -104,12 +104,14 @@ export function LocationTab() {
       
       if (profileError) throw profileError;
 
-      // Save accessibility preferences
-      const { error: accessibilityError } = await supabase.from('user_preferences').upsert([{
-        user_id: user.id,
-        accessibility_options: accessibility as any,
-        updated_at: new Date().toISOString()
-      }]);
+      // Save accessibility preferences - update existing record
+      const { error: accessibilityError } = await supabase
+        .from('user_preferences')
+        .update({
+          accessibility_options: accessibility as any,
+          updated_at: new Date().toISOString()
+        })
+        .eq('user_id', user.id);
       
       if (accessibilityError) throw accessibilityError;